SURFACE AREAS AND VOLUMES ONE SHOT | Full Chapter | Class 9 Maths | Chapter 11

[@Class9th-NEEV]

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[@HUSKY_GAMER315]

Sir please pin me

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Ab Kuch Log Bolenge "Like for 99% in exams[Don't take risk]🤣🤣

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Sahi bola 😂​@YashuvishuHiremath

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Thank you sir 😊😊

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Love you Babua ❤️❣️❣️❤️

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Who is watching for exam preparation?

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Everyone

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Everyone is watching for exam

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Everyone 😅

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Sare mazze ka liya kar rahe hai mental exam ke liye kar rahe hai

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Nahi Bhai me toh ese hi dekh rha tha mtlb ye toh bas ese hi dekhne ke liye hai exam ke liye thodi hai

[@YashPatil-gq3eo]

Good Luck to everyone for your exam tommorow 😀👏👏💯

[@Ruchikumar-x3f]

Thanks 😂

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Yes 💯

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Thanks bro same to u🎉🎉

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Thanks 😊 ❤

[@ramasreverma8039]

tommorow nhi today broo...

[@sdedloop]

Timestamps
00:05 - Understanding surface area and volumes in different shapes.
00:52 - Overview of Surface Areas and Volumes Chapter in Class 9 Maths.
02:28 - Understanding surface area and solid objects in geometry.
03:20 - Understanding surface area as the space covered by shapes.
04:50 - Understanding space occupied by objects through volume.
05:35 - Understanding volume and surface area through common shapes.
07:06 - Understanding Right Circular Cone and Its Formulas
07:57 - Understanding curved surfaces and angles in Class 9 Maths.
09:30 - Understanding the height and radius of a cone in geometry.
10:27 - Understanding curved surface area and its calculation.
12:06 - Understanding the volume and surface area of a cone.
12:52 - Understanding curved surface area and volume of cones.
14:40 - Calculating the curved surface area of a cone using given dimensions.
15:52 - Calculating radius from curved surface area of a cylinder.
17:57 - Calculating the circumference of the base of a conical tent.
18:55 - Calculating radius and canvas length using circumference formula.
20:35 - Calculating fabric required for curved surface area.
21:31 - Calculating the radius and height for surface area and volume.
23:21 - Understanding number pairing and estimating sums for mathematical operations.
24:19 - Understanding volume calculations with boxes in Class 9 Maths.
26:22 - Understanding lateral surface area calculations for different shapes.
27:11 - Calculate the area of sheet needed for 10 caps.
29:06 - Calculating surface area using radius and dimensions.
30:12 - Understanding surface area and volume of spheres and hemispheres.
31:59 - Understanding curved surface area and total surface area formulas.
32:49 - Understanding surface area covering of spheres and circles.
34:29 - Calculating surface area of a sphere using its radius.
35:33 - Examining the increase in surface area of a hemispherical balloon.
37:25 - Surface area ratio of two dimensions calculated.
38:16 - Understanding the structure of a hemispherical bowl.
39:52 - Understanding inner and outer radii for calculating surface areas.
40:44 - Understanding inner and outer curved surface areas of objects.
42:44 - Calculating surface area and volume basics for Class 9.
43:46 - Understanding the relationship between Earth and Moon's diameter and surface area.
45:50 - Understanding the surface area ratio of Moon and Earth.
46:46 - Calculating radius of hemispherical dome from circumference.
48:43 - Understanding cost of painting per square centimeter.
49:44 - Understanding curved surface area for painting applications.
52:07 - Calculating surface area and volume using given dimensions.
53:06 - Understanding unit conversion between meters and centimeters.
54:44 - Understanding the curved surface area and volume of cylinders and cones.
55:41 - Calculating the volume of a right circular cone.
58:09 - Calculating height and slant height for geometry problems.
59:11 - Surface area formula for spheres and cones explained.
1:00:53 - Calculation of cone height using sphere radius.
1:01:54 - Discussing surface area of cones and curved surfaces.
1:03:39 - Understanding the area of the base of a right circular cone.
1:04:27 - Understanding volume calculations for cones using given height and area.
1:06:20 - Understanding the volume ratio of two spheres.
1:07:15 - Understanding volume formulas and finding radius ratios.
1:09:16 - Understanding surface area differences using radius calculations.
1:10:34 - Calculating the difference of areas using given dimensions.
1:12:30 - Finding the volume of a sphere using surface area.
1:13:25 - Understanding volume calculation of circular objects using radius.
1:15:35 - Understanding volume ratios of Earth and Moon.
1:16:26 - Explaining the volume of Earth in relation to the Moon.
1:18:30 - Calculating the volume of a right triangle revolving around one side.
1:19:28 - Understanding shapes created by revolving a triangle.
1:21:31 - Understanding volume calculation through different shapes and dimensions.
1:22:28 - Understanding basic calculations for surface areas and volumes.
1:24:48 - Understanding volume ratio between two cones using formula.
1:26:00 - Understanding curved surface areas and their ratios in geometry.
1:28:02 - Chapter on Surface Areas and Volumes concludes with various question types covered.
1:28:54 - Focus on NCERT exercises for mastering surface areas and volumes.

[@SenpaiShortsy]

Bhai Kinta Time lga ke likhe ho

[@SzzinEuphoria]

This helps bro thanks

[@anjaliadhav5171]

​@@SzzinEuphoria how this helps🤔🤔🤔

[@Parabola-b7b]

jitna der typing ki itne me to ek bar revision kr leta bhai

[@RakshitllBhardwaj15]

Sir aapne slant height nikal ka formula galat likha h
FORMULA ye hota h
l²=underoot h²+r²

[@Cloudyy688]

Fail ho jaoge...💀
Like krlo...dont take risk☠️

[@roshankunwer314]

😂😂

[@Legend_boy_Badshah932]

@@Cloudyy688 like ka aap karoge kya 🧐🧐

[@H4xdivine]

Ritik sir ke vajah se chup ho varna

[@imahus2135]

@Cloudyy688 andi mandi sandi agar tum ne comment delete na kiya toh..

[@H4xdivine]

@@Cloudyy688 korean sixers 😂

[@Amlekhabairwa1376]

Final exams ki kasam like nahi kiya toh ☠💀 (Don't take risk)🥵😱

[@athrvawars7130]

ye bhadwe kare nakli show 🎶 Bikh kitna magoge 🙏

[@SHUNKUN-tf2pz]

Ritik sir se padh rahe ho to kahe kya risk re babuaa 😗😗😎

[@parthvihaanvlogs_999]

Wohh kahna chata haii like nahi kiya toh pass ho aur agar like krdiya toh faill 🤡🤡

[@AshishDubey-i6l]

WHO WANT TO SCORE 95+ MARKS LIKE IT❤❤❤👍👍🔥🔥
AND WHO WANT TO SCORE 99+ MARKS THEN DO = LIKE + COMMENT🔥🔥🔥🙏🙏🙏

[@Sparklegendop]

Yyyy

[@Sidhant-z7r]

I want to score 99

[@mukeshkumarverma1735]

I also want 99

[@badshah_bano]

Bhai ab kya tu hamaraaa future likhe gaa pdhne pe dihaan dele

[@Pandastudiess]

Me too❤

[@Stuntking00000]

Kon kon 9th me top marna chahta hai😂

[@DivyaUpadhyay-d1y]

Me

[@Stuntking00000]

@DivyaKumari-w9c koshis karo ho jayega

[@DivyaUpadhyay-d1y]

Mai hamesha class me 2nd aati hu

[@nobinobita7976]

@DivyaKumari-w9c sad life

[@bhubanasahu6934]

Asambhav 😅

[@RakshitllBhardwaj15]

HOMEWORK
58:58 slant height-50cm
59:12 Curved surface area-2200cm²
1:03:35 Curved surface area-550cm²and cost-₹1155

[@KirtiGupta-b7p]

1:06:14- 1570cm square

[@KirtiGupta-b7p]

1:12:14- radius =21cm

[@KirtiGupta-b7p]

1:14:15 volume -179.6cm

[@Cricketwithabhi76]

​@KirtiGupta-b7p bro volume always cm³ me hota h to 1570 cm³

[@KirtiGupta-b7p]

@Cricketwithabhi76 thank u for your recommendation. I will remember it. 🙃

[@mukeshguptasptr]

Annual exam ki kasam
Jisne like nahi Kiya woh fail😂😂
👇

[@madhusingh6099]

Please aise 😠 comment na kare

[@dilipSingh-c7b]

Koyt

[@shankar_singh9855]

Kis kis ko ritik sir per bharosa h ki vo math me 100/100 dilvaenge❤❤❤❤❤

[@Tiwari-s3e]

Mujhe khud pe bharosa hai bhai ❤

[@shankar_singh9855]

@Tiwari-s3e sahib confidence bhai life me aage bhadne ke liye

[@MRJAAT635]

Sahi bat h

[@RavindraKumar-pg3ot]

Yes always i believe in ritik sir

[@Tiwari-s3e]

@@RavindraKumar-pg3ot ritik sir paper denge ya tum

[@MOusman-t9h]

The most awaited chapter comes❤❤❤❤❤❤❤❤❤❤❤

[@SantoshYangldas]

Why you want? Who is watching for exam, who is watching in 2024-25? Just do study why you want this all panchat.

[@God_memer66]

1:12:13
Volume of cone =1/3πr²h
18480=1/3×22/7×r²×40
18480×3×7/22×7=r2
147×3=r²
441=r²
√441=r
21cm=r

[@Legendisback4056]

Like karo nhi to fail dont risk!!

[@ARYANKUMAR-wv6sp]

2:22 yes sir amoeba 😂😂😂😂

[@Amrit-q1i]

Laughing is important?🙄🙄

[@ARYANKUMAR-wv6sp]

@@Amrit-q1i no, but sir ko dekh kar

[@justlikeyou-t9m]

​@@ARYANKUMAR-wv6sp haa sir ka reaction funny tha

[@ARYANKUMAR-wv6sp]

@@justlikeyou-t9m to isme

[@09IMMORTAL90]

1:14:07 179.66cm³

[@Ramparvej-x4u]

Like kar lo bhai nahi to final exam me feel ho jaoge

[@Ramparvej-x4u]

Nahi bhai

[@sauravSharma-e3j]

*JO LIKE NAHI KAREGA* WO EXAM ME FAIL HO SAKTA HAI 😆
SO DON'T TAKE RISK

[@Adityagamerz1030]

I disliked
What
Why are u still here
I was
Joking 😄
No i wasn't joking

[@SachinJha-qq2pd]

Good bro😂​@@Adityagamerz1030

[@Parabola-b7b]

@@Adityagamerz1030 same bro

[@harsh4074]

kon kon iska wait mid term examination se kar raha tha>>>>>>>>

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No one😂😂😂

[@harsh4074]

@shikhagupta6017 apne papa ke comment pe kuch send kyu kar rahe ho beta 🤗

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Me bhi kar rai thi yaar kab se

[@Lofibook890]

Final hqi😊😂

[@discipline_mindset_2714]

1:03:22
1155 ruppes

[@HarshaCharithBro]

1:03:36 Ans. for H.W - 1155 ₹

[@RishiDev-n2s]

Bahar aacha hai lecture hai sir mere sare concept clear ho gaye ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
Thank you

[@GeetMalik-]

2:14 wohh to samriddhi ma'am hi bataiengi sir🤭🤭❤

[@M0hit_creati0n_1]

Ap konsi class mein ho?

[@GeetMalik-]

@@M0hit_creati0n_1 9th, becz i think ki 9th ka hi lecture hai😅

[@M0hit_creati0n_1]

@GeetMalik- accha ek baat batao previous exam mein aapke maths mein kitne percentage aye the?

[@GeetMalik-]

@M0hit_creati0n_1 mid term mein kam aaye the 9th mein 95%. but 8th finals mein full aaye the

[@M0hit_creati0n_1]

@GeetMalik- are yaar tum to topper ho🫡

[@God_memer66]

59:22
Slant height: l²=r²+h²
l²=14²+48²
l²=196+2304
l²=2500
l=√2500
l=50cm
Curved surface area of cone=πrl
22/7×14×50
22×2×50
44×50
2200cm²

[@SaritaChoudhary-n9g]

Yepp
Our answer is correct 🎉

[@Personalitytome]

1:14:18
Volume=179.6 cm. Cube

[@rajeshkumar-s4i4t]

Thank you so much sir ❤❤

[@Personalitytome]

1:03:00
CSA=550m.square units
Cost of white washing=Rs.1155

[@XDBLAZE]

Thanks you ❤sirrrr🎉🎉

[@sonimishra-k2m]

Tomorrow is my exam😂😂😂😂😂

[@09IMMORTAL90]

1:06:17 1570

[@09IMMORTAL90]

M²

[@MokshLad-mm3od]

Amoeba 😂😂 2:22

[@mrkhatartnak]

1:3:29 c.s.a=550cm², and cost= rs.1155.

[@Princek-e5i]

Thank you sir is one shot lecture ki bhaut jrurat thi

[@Personalitytome]

1:06:00
Volume=1570 cm.cubic units

[@Rg.kalakar]

One day before the exam 😅

[@Swar_Shar]

BEST OF LUCK FOR TOMMOROW EXAM💀💀

[@BidyashaChakra]

Home Work
59:18
ii)50cm
iii)2200cm²
1:03:28
Rs.1155
1:06:19
1570cm³

[@AnkitSingh-yp6tu]

43:20 and 173.25 cm²

[@KartikShinde-z6x]

How bro can you show me step by step

[@harshgoyal.5368]

43:36 this is very important

[@AchintyaSharma26]

HOMEWORK
58:58 slant height-50cm
Curved surface area-2200cm²

[@Nichb0987]

Hope all get 95%+ marks 🎉🎉😊

[@PadhloIndia-ix6nu]

Slant height(l)= 50cm
CSA of cone = 2200 cm² 59:01

[@Chetnaajmera]

Thank you so much sir!! Most awaited lecture 🌟

[@Ali-h3f5j]

1:03:39 1155 rs

[@abhx7]

Same answer!!

[@allannn077]

Answers 1:03:40
C.S.A = 550 m²
Rate = 1155 m²
1:06:18 - Volume of the cone = 1570 cm²
Tysm sir it helped me , honestly.

[@K-King_YT]

Rate in m² ?? 😂😂

[@ManojGomase]

Best luck for your tomorrow's exam🎉🎉🎉😂😂

[@funwithmyiesha1095]

43:24 guys is the ans 173.25 cm 2

[@RahulKasera-o5s]

42:18 173.25

[@guriyagupta254]

I'm really tensioned for my annual exams . I wanna secure the 1st position in my class before stepping in class 10th cuz I really want to be entering class 10th confidently. Although I was moving with my planned study routine but from the last 5 day days I have been inconsistent and can't focus and now I am seriously getting late 😞 and my exams are very near 😢

[@tejassingh0027]

do not worry bro❤ I pray you get 1st position in your school ❤️ hardwork pays off 👍🙏

[@VarunKumar-j4h]

Konsa school hai bhai

[@TechABHIJEETyt]

*H.W.*
1:03:28
ANS :- C.S.A. = 550m²
Cost = Rs. 1155

[@Sagar-w3b]

Hlww
550m² ke baad ky krna h jisse 1155rs aaya

[@Sagar-w3b]

Plzz tell me❤

[@MdjaneAlam-g5y]

54:57 😮

[@Nischal3pandey]

𝙇𝙚 𝙢𝙚 𝙤𝙛 𝙘𝙡𝙖𝙨𝙨 10

[@DeepakSingh-ko4oj]

Are bhai yha kya kar rha he

[@Nischal3pandey]

@DeepakSingh-ko4oj 𝙧𝙚𝙫𝙞𝙨𝙞𝙣𝙜 𝙛𝙤𝙧𝙢𝙪𝙡𝙖𝙨

[@DeepakSingh-ko4oj]

@Nischal3pandey ohh

[@AshishRaj-y3c5t]

Kal.mera.exam hai !
Aur me ajj padhne. Batha. Hu 😅

[@sushmaambashth9600]

1:06:13 1/3×314×15 so here we can simplify 3 &15 so 15 will get cut & will be 5 so 314×5=1570cm²

[@AmritaDevi-ks6jj]

1:03:36 ans is rs1155

[@Personalitytome]

1:12:12
Radius=21cm.

[@MixInAll...]

Sir aapka lecture dekhne se sukoon milta hai ❤❤ Thank you Ritik sir for all the lectures
Babua OP ❤

[@sangeetasingh750]

57:27 sir you have mistaken here. You wrote 4 instead of 14.

[@viratkumar7321]

Explanation is just like sobhit bhaiya and both are best teacher❤

[@ItzROARz_SB]

2:49 sir funny moment 😂❤🎉

[@harshgoyal.5368]

1:14:42 this is also very important.

[@opticsacademy990]

Cricket player 🎉🎉❤

[@ranjugupta8240]

59:17 ii) Slant height - [ 50 ] iii) CSA of cone - { 2200 cn^2 }

[@Stuntking00000]

Toppers --------------------→

[@Stuntking00000]

Backbenchers --------------------→

[@0toprohindu124]

❤

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Vote for formula sheet all chapters of math

[@Car_world_0009]

He is amazing maths teacher 😊😊thank you so so so so so so so so much sir 🤩

[@Aadarshchaudhary-65y]

18:21

[@PrashukJain_]

Thank you sir finally 😭😭

[@SaimaTajammul-]

Sir thank uu to provide this lecture on our extreme demand. Lovee youu pookiee babuaa sirr❤️❤️

[@dubejirakesh5504]

Hii

[@suman_saini628]

Calculation is😢😢
Very hard 😢😢
One like calculation is easy 🎉

[@Editors____5496]

4:35 ritik becomes naughty 💀💀😅

[@rounikranjan8128]

HOMEWORK
59:18 Slant height - 50 cm
CSA - 2200cm²
1:06:09 Volume - 1570 cm³

[@Pryanbohra-g6t]

Who want video of important questions for a finial exam class 9 for all subjects

[@aizengotperma]

I have final hustle e-book

[@LAKHYARaj-hr9mw]

Thanku soooooooooooo much sir❤❤❤❤❤ ♾♾♾

[@abhimatkusagra8874]

Kal kiska exam hai

[@BabitaKumari-bg5tu]

Sir , circle chapter kab aayega or congruent of triangle v

[@AdityaGaur-e7z]

chomu check kar aagaya hai

[@Update24_]

😂​@@AdityaGaur-e7z

[@Riya.0057]

59:25
l = 50 cm
csa = 2200 cm^2

[@DanishKhan-x6k1j]

1:01:17 sir aapne height nikalne ke liye radius ke value mein kiyun r2 ka liya kiyun nhi r1 ki value liye please sir please bata dijiye please please please please please please please please please please please please please please please please please please please please 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

[@HDedition640]

Vo R2 smjne k liye li h only capital R and small r hota h wese hi use r2 kha h 😊♥️

[@AniketKumar-qb2ui]

43:08 yha par wrong ans hai sir 😢

[@PadhloIndia-ix6nu]

Slant height(l)=50 cm
CSA of cone=2200 cm²

[@pirated.insaan]

Vote for Sound chapter ❤

[@ShagunnSingh]

1:03:39 curved surface area 550cm² , and cost ₹1155

[@God_memer66]

1:03:38
Slant height(l)
Diameter=2radius
14=2r
14/2=r
7cm=r
Curved surface area of cone=πrl
=22/7×7×25
=22×25
=550m²
100m²=$210
550m²=?
550 will multiply by 210 and dived by 100
550×210/100
55×21
$1155
Thanku you❤

[@TD_ANSH]

Bro your answer is wrong

[@TD_ANSH]

Answer is 1155m²

[@Adi_xthetic]

​@@TD_ANSHyes

[@SkyLeXYT-px8vx]

Z god teaching mathematics 😂❤❤❤ no hate ritik sir is best ❤

[@RomisinghGaming128]

Anyone from 2025 💀

[@poojaallinone5625]

15 Feb 2025 - SST Exam 😢❤

[@demoniv]

😮also my exam sst on this day

[@poojaallinone5625]

​@@demoniv konse schl m ho bhai

[@NikhilYTvlogging]

Quality thodi better kar diya kijiye 😮‍💨😮‍💨😮‍💨😮‍💨😮‍💨

[@shaikmoinuddin4832]

All the best and good luck 🤞😊

[@sammyplayz9403]

30:00 sphere

[@khandelwalyash2010]

vote for shobit nirwan

[@chimkamdigamer4887]

Yaha aakar shobhit ka gun mat gaon warna pachhtaoge

[@latadwivedi5993]

172.8 cm^2 hw answer

[@Noobro389]

SURFACE AREAS AND VOLUMES ONE SHOT | Full Chapter | Class 9 Maths | Chapter 11

[@wannabemoney]

doing all nighter! studying

[@RekhaSingh-pi8gr]

Yeah

[@surekhauday158]

Pw followers ❤
👇

[@Cricketwithabhi76]

Home work 1:06:16
Ans = 1570 cm³

[@demoniv]

🎉 1:14:16 ans 179.67 ans

[@Car_world_0009]

I regret that why I got to know about him now ,now I have just one year to study from him