Math, asked by hk446139, 1 year ago

prove that area of circle is pie r^2...

Answers

Answered by johndoe
1
if you place a circle on a square where radius of circle = r and side of square = 2r.
so the circle would just fit into the square leaving some free space in the corners.

area of the square is 4r^2
so area of the circle is a little less than that. and it is 3.14 × 10^2

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