Thales Theorem Class 10 | Basic Proportionality Theorem

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Thales Theorem Class 10 Basic Proportionality Theorem
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The Basic Proportionality Theorem also known as Thales' Theorem is a fundamental principle in geometry that states the following:
If a line is drawn parallel to one side of a triangle and intersects the other two sides, it divides those sides proportionally.

In other words, if a line parallel to one side of a triangle intersects the other two sides, the ratio of the lengths of the segments it creates on those sides is equal. Mathematically, if a line parallel to side BC of triangle ABC intersects AB at D and AC at E, then the Basic Proportionality Theorem can be expressed as:
BD / DA = CE / EA

This theorem is named after the ancient Greek mathematician Thales, who is credited with its discovery. The Basic Proportionality Theorem is a special case of the more general Thales' Theorem, which deals with the properties of a circle inscribed in a right-angled triangle.

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For LIVE Classes, Concept Videos, Quizzes, Mock Tests & Revision Notes please see our Website/App👇

ManochaAcademy
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Sir used to teach us better before 2-3 years. I miss those days when sir used to teach complex topics in easy, interesting and unique ways. Sir, I think the decrease in viewers of your recent videos is due to your change in teaching techniques. Sorry to say, but your videos are not interesting like your previous videos... Please teach us through your old unique ways. everybody will like it, your old viewers will return and your channel will grow as before 🙂 do comment if you agree...

bineetbiswas
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Sir can you please make a video on quadratic equations

pranavprasad
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Thank you sir for such a wonderful year...i discovered your channel when I started class 10 and ur lectures have been extremely helpful and now I'm going to class 11th in 2 days time and I'm genuinely looking forward to studying with you in 11th too....thank u sir once again

thesilverlining
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THIS IS FANTASTIC!! I was in this class! Really helpful!!
Hats off!

sriritwikshastry
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Sir lam from Pakistan your lectures are very helpful .sir please make lecture on theorem of class 9

muhammadsamimulzahidzahid
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sir can we also prove AD / AB=AE/AC instead of proving AD/DB = AE/ EC as BPT since I have done this in my exam. Pls sir tell, waiting for a reply by your side

X-glance
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Sir explain most important questions for cbse board exams 2024 . Subject: mathematics 🥺🥺

nvtentertainments
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Sir please tell 10th class cbse physics and chemistry and biology im new subscriber in school my mam kept sound lesson I understood very well now I come to home and subscribed your channel sir please teach 10th class cbse physics and chemistry and biology 🥺🥺

Official_GEditz
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Thanku so much sir
You are legend of mathematics and science ❤

riteshkeshri
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Incredible and funtastatic i learned this lectute with joy and hopeful to get more marks

surekhakotha
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This video is a top tier video, it helped me a lot, you are such a amazing teacher, Thank you!

wng_
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we can prove bpt by similarity of triangles also

Dr.VishalShah
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Sir you can a bit of Hindi in b/w -(just a tip to grow in India, as your target audience is in India right, not fully Hindi, but try to make your intro at least in hindi a bit and then a bit in b/w too.)

yogendrabhama
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Sir you have other videos about ap lesson please explain me sir😊

BabySuvarna-nr
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SIR PLEASE MAKE A VIDEO ON LENS MAKER SIR REALLY NEED IT.

sanjaykumarmandal
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Please make a video on circles class 9

shiekh
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You are Best sir. But I would like to ask you to upload chemistry, Oxidation and Reduction please.

RajabJustin
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Sir please say how to find isomerisom for neet please sir make one video

RSVOLUME
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Sir when will you lanch 12 th courses?

SanjayK-rfoq