Arc length from subtended angle of circle s=r theta (W/Voice Explanation) Proof |Mad Teacher

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This video explains that the central angle 𝜃
(in radians) subtended by a circular arc of length l is given by 𝜃=𝑙/𝑟, where r is radius of the circle in the most simple and easy way possible.

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I’m really dumb at math, but I could understand it completely (when I paused the video). Really, it means a lot! Thank you so much!

hyungtaecf
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I think it cannot be proved, because it is a definition (not derivation), the theorem you use in 1:58 is proven using the "to be proven theorem", and the "to be proven theorem" is being proven by that theorem....So it's circularity...if not give an independent proof of the theorem at 1:58

agnibeshbasu
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Thanks a lot for ur explanation . It's very useful and easily to understand the way u explained thq u Teacher..

rajnandani
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Your explanation is nice, but use a software in which you can write because it is easy for a student to understand, instead of learning from slide and I appreciate your hardwork

kusummehta
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It is predictable via your voice than how beautiful you are mam😊😊😁😁

sagytbengali
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Nice one...I had forgotten it as I had read it in 9th...now I am in 12th...thnxx so muchh😊

jackslayer
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But I wanna know how are the length of the arcs proportional to the angles?

ranjana
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2:08
what is 'as we know' ?
Plus, the heart of the "proof" of (arc) = (radius) x (theta) lies in the proof of the 'as we know' part of the video.
This video does not comprise a proof.

dragonfly
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thanks for helping I am in ninth and I have solved HTC verma and irodov

adityasahu
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Can you make a video on logarithmic properties

rajnandani
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I want to know why the angle is theta*radian?

bithibiswas
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Please give a video related to the algorithm and logarithm

ashutoshsrivastav
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Thanks a lot . Explanation is good. But sound is not proper .

sankalitamitra
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which software used to make this video plz inform me i need

malikfareedi