Example 8 - Chapter 6 - Class 10 | Triangles | NCERT Maths | CBSE

Hey Students!!!
3rd part of the video can be solved by AA similarity as well: • Example 8 🔥 (another 2...
In total, I have solved the third part in 4 different ways now. 😎
Example 8: In Fig. 6.33, CM and RN are respectively the medians of ∆ ABC and ∆ PQR. If ∆ ABC ~ ∆ PQR, prove that :
(i) ∆ AMC ~ ∆ PNR
(ii) CM/RN = AB/PQ
(iii) ∆ CMB ~ ∆ RNQ
Part 3 can be solved using another easier method (AA similarity criterion). Click this link to watch an alternate solution: • Example 8 (Another Eas...
In this tutorial, you will find the explanation of the following:
Example: 8
Class: 10th
Chapter: 6, Triangles
Textbook: NCERT
#Class10Math #Triangles #TrianglesClass10
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Apne jo itna cleanly samjhaya hai matlab chumeshwari udhar hamara math teacher syllabus khatam nahi kar paraha....😞 3 din me pre boards hai

[@Mathemafia]

Best of luck for preboards. You will get everything for class 10 on my channel except median wali exercise. By the time it's your final exams, you will have everything.

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[@Geet-iq1fl]

In first part can we use AA criteria as angle A= P nd angle C= R ?

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Wow... Nice explanation...
Thank you so much sir😄😃

[@Mathemafia]

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[@Mathemafia]

Thank you. Please share it 🙂

[@Mathemafia]

Watch complete chapter here: th-cam.com/video/NqzcQ9sZBnQ/w-d-xo.html

[@salonii_vats]

Sir part 3 ko (AA) se nhi kar skte?
bcoz In ∆CMB and ∆RNQ....;
angle B = angle Q
Also angle C =angle R
Plz sir clear my doubt 🙏

[@Mathemafia]

You can use AA similarity but as follows:
angle B = angle Q (already proved) ........ 1
Now angle C and angle R are not angles of ∆CMB and ∆RNQ, but we will use these angles.
Write it like this:
Angle ACB = Angle PRQ (Already proved) ........ 2
Angle ACM = Angle PRN (Corrosponding angles of similar triangles) .......... 3
Subtracting 3 from 2, we will get
Angle BCM = Angle QRN ......... 4
From 1 and 4, by AA similarity, triangles are similar.
Hope it helps.
By the way, this is an easier method for me but students generally differ and feel other method is more convenient. Good observation though. Such visualization helps in understanding and learning mathematics.

[@salonii_vats]

@@Mathemafia Thank you sir😊

[@Mathemafia]

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Sir are they important for boards

[@madhumahajan4804]

You are the best teacher sir very nice explanation

[@Mathemafia]

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[@aditiaditi1312]

Sir yeh toh ek theorem hai that medians of similar triangles are in ration with the sides of triangle to hum direst vo likhke 2nd part solve nhi kr skte the?

[@Mathemafia]

It depends upon the marks associated with the question. Generally we quote standard theorems that are very frequently used to solve questions. This one, for me, is not that commonly used theorem. Still, I would recommend to have an opinion of your teacher as well.

[@aditiaditi1312]

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Yup

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[@siddhantchoudhury2470]

Sir iii) number wala CAB is similar to RNQ ,,,to prove can we write that angle b is equal to angle q and angle r is equal to angle q so by aa property we can prove them similar,,can we do so????

[@Mathemafia]

We can prove it using AA similarity criterion but not like this. I will try to make a video on it.

[@Mathemafia]

I just realized that I have already created a video to explain this method: th-cam.com/video/_E7mZvykT9U/w-d-xo.html
I forgot about this video, hence I created another video to explain it 😊
But in new video I have solved it using 2 different ways (both using AA similarity).
I will upload new video in a couple of days. In the mean time you can watch this link shared above.

[@Mathemafia]

Here is the new video for part 3 of this question: th-cam.com/video/uttNoZTA8XY/w-d-xo.html
Hope you would like it. :)

[@prachikaur908]

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[@vanshu736_kaushik]

I am so scared my pre boards are in 2 days 😢

[@Mathemafia]

Best of luck!!!

[@Kritos_bt]

Sir in 3rd part can we take angleB =angleQ and prove it with SAS criteria?

[@Mathemafia]

I am going to make another video for the 3rd part where i will solve it in 3rd different way. Just keep an eye on my new videos.

[@Mathemafia]

Here is the easiest solution for part 3: th-cam.com/video/uttNoZTA8XY/w-d-xo.html
Hope you would like it :)

[@sahil7860]

3rd part ko ham kya SAS criteria se kar sakte hai kya

[@Mathemafia]

Easiest ways to solve the 3rd part: th-cam.com/video/uttNoZTA8XY/w-d-xo.html

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[@Mathemafia]

Watch it at a slow pace, pause in between to grasp the concept. You will get it.

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Sir kuch samajh me nahi aa raha

[@Mathemafia]

Watch at slow pace, pause in between to grasp the concept. You will get it.

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Sir aap itna hard work krte hai itna Accha explanation bhi magar aapke Vidio par likes kyu nhi aate 😓

[@Mathemafia]

Iske baare mein mujhe to aajtak kuch nahin pata chal saka. Ab students hi kuch bataayein to mujhe pata chale 🙂