Triangles and its Properties | Complete Chapter Explanation - Concepts + Menti Quiz | Class 7 Maths

➡️ Access Chapter Notes, Attempt Quizzes from: byjus.com/cbse/revision-video... Hello Students!!!
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"The only ""Triangle and its Properties"" class you need to attend in 2023 is here.
In this class, we cover
a) Medians of a Triangle
b) Altitudes of a Triangle
c) Exterior Angle of a Triangle and its Property
d) Angle Sum Property of a Triangle
e) Equilateral and Isosceles Triangle
f) Sum of the Lengths of Two Sides of a Triangle
g) Right-angled Triangles and Pythagoras Property
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[@vaishnavishivanekar7487]

Ma'am the answer of today's homework question is:-
A) The orthocentre of an right angle triangle lies on the vertex of the triangle
_____________________________
B) Given:- Length=40 cm
Diagonal=41 cm
Perimeter=?
First we need to find the breadth of the rectangle
To find we could apply the Pythagoras Theorem as it's forming a right angle
a²+b²=c²
40²+b²=41²
1600+b²=1681
b²=1681-1600=81
b²=81
b=√81
b= 9
Perimeter=2( length + breadth)
= 2(40+9)cm
=2(49)cm
=98cm
_____________________________
C)Given :- Length of Diagonal 1=16cm
Length of Diagonal 2=30cm
If we see the figure they form a right angle triangle and we can apply the Pythagoras theorem
So the half of 30 is 15 whereas half of 16 is 8
Height=15 cm
Base=8 cm
a²+b²=c²
15²+8²=c²
225+64=c²
289=c²
√289=c
c=17
Perimeter of rhombus= 4(side)
=4(17)
=68cm
Hope it's correct ☺️
First to answer ☺️

[@priyankapathak8253]

Hi

[@rishabh2132]

Bro you are amazing

[@bluchad]

4:00 video starts

[@kruthika7264]

7:42 centeroid

[@user-xyz...]

Best of luck for your tomarrow's exam 😂😂😂😂

[@navyamahajan3853]

Yes mam

[@ytffgamer0009]

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[@bluchad]

Spelling mistake*

[@gameongaming9083]

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[@user-gv6kq1rg4e]

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[@NitiKatyayana]

Arsh ma'am, you are best maths teacher ever!

[@user-or1oo7pf6l]

Arsh mam is amazing but an emotion was there with khushbu mam

[@user-ck9lu2gs6g]

MY name is Yashvi
1. P=2l+2d2﹣l2=2·40+2·412﹣402=98cm
2. The orthocentre will lie on the vertex where the right angle has formed.
3.P=4a
________
a=\/p2+q2
2
The class was very interesting. Thank you so much Arsh Ma'am.

[@user-ck9lu2gs6g]

Mam I am Giving Right Answer, Then pls tell me😃

[@madhubala425]

Hi

[@Rizviya-fatma]

Thank you mam😊

[@JKYFSrinagar]

perimeter of rohmbus is 68cm

[@foodiegirl151]

❤❤❤

[@shauryaraghuvanshi22]

Orthocentre 12:41

[@arshdeepkaur4362]

😊😊Besttest class ever😊😊...................................😊😊😊😊Thank you soooooooo much ma'am😊😊😊😊...................................Crystal clear ma'am

[@alka584]

Watching this after six months 😄

[@Charm_xthetic143]

1:05:59

[@user-rw5ly9yi5l]

Watching this after seven months😅

[@madhubala425]

👍

[@madhubala425]

Hi

[@ChandrasenKappe-cb3vq]

Mam where we can get notes of this ch

[@ritikaballi9557]

Mam ch mensuration..

[@Breaking_bones]

Hi mam

[@user-jy3vu4sw7i]

Ma'am can a triangle have same median and a altitude??

[@nezuko.288]

Yeah in the case of a equilateral triangle

[@nezuko.288]

Yeah in the case of an equilateral triangle

[@nenischannel2022]

25

[@oshiraghav2231]

Vertex

[@SubhamRoshan2010]

8:53 8:55 my dream is to measure your height

[@Srishti12331]

answer of hw question A the orthocentre of an right angle triangle lies on the vertex of the triangle
B 98cm C68 cm please give shout out in next video

[@priyankapathak8253]

Yes

[@singhdiwakarkumar923]

🎉🎉🎉🎉😮😮😮❤❤❤

[@priyankapathak8253]

Yes mam

[@Charm_xthetic143]

58:53 was hard😅

[@ChandrasenKappe-cb3vq]

3

[@lakshyasinghkhatri4d152]

exterior angle

[@lakshyasinghkhatri4d152]

yes mam we want

[@Affiliate_81]

Ma'am when will you do comparing quantities chap?

[@ruchi401]

how this is possibal

[@kavyaartcafe]

Centroid

[@ChandrasenKappe-cb3vq]

Centriod

[@oshiraghav2231]

Three

[@madhubala425]

Hi mammmmmmmmmm

[@bhavik9021]

24:22 orthocenter will lie on the vertex where the right angle is formed

[@NikhilKumar-qk6xr]

ma'am looks hot and the accent is beautiful not gonna lie
UWU

[@user-yx5uh9ld7x]

Acjite angle triangle

[@deepthisp9984]

Obtuse

[@balasundarsubbiah4496]

pls teach in english mam

[@neharajawat880]

V mam quiz Mein code dalne ke bad bhi quiz open Nahin ho raha hai bata raha hai ki pahle activator Ko Aane Do pata nahin kya Kah Raha Hai

[@akshitayadav365]

Obtuse angled triangle

[@lakshyasinghkhatri4d152]

mam iam not able to join

[@Disha_0502]

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[@Disha_0502]

@@nimisha78 🥺

[@lakshyasinghkhatri4d152]

x=44

[@neharajawat880]

Not visible clearly

[@shashibhushankumar7058]

Mam maine question no. 5 different method se solve kiya hain.

[@lakshyasinghkhatri4d152]

85

[@ytff2861]

1/2*base*height

[@rupalshukla341]

54:21 19 is correct answer

[@nageshpujari2234]

Obtuse angle triangle

[@lakshyasinghkhatri4d152]

d

[@nageshpujari2234]

46

[@thangamaniraman5045]

Mam you only tell for us mam we don't want kushpu mam we cannot understand

[@SavaramKanishka-le7xw]

Yes that's true mam
Arsh mam you teach much more better than kushboo ma'am

[@rajeshkumartiwari7511]

Hello ma'am

[@footballplusstudiesequalslife]

Mam when are we going to do Delhi 12th to 15th century class 7

[@simhachalamk4358]

Maam notes

[@daviddudi1184]

2 answer is 98

[@ytff2861]

obtuse angled triangle 📐

[@lakshyasinghkhatri4d152]

cbd

[@ytff2861]

mid point

[@maheensadaf4533]

Maheen

[@user-fh1qd7tf7v]

hiiiibhai

[@lakshyasinghkhatri4d152]

x

[@nageshpujari2234]

Mid point

[@user-fh1qd7tf7v]

oiiiiiiii

[@Shreyanshsharma5824]

Yes mam

[@aryanpahadee2214]

Yes

[@rameshpandey7329]

3

[@priyankapathak8253]

Yes