Question

find the ratio of ara of circle to the area of square is equal to the diameter of the circle​

Answer 1

Answer:

So the area of the circle is πr2=10x2π. So the ratio of the area of the circle to the area of the square is 10x2π:36x2, which is equivalent to 5π:18, as required.

Answer 2

Answer:

area of circle is

$\pir2 = 10 \times 2\pi$