Question

If the radius of a circle is decreased by 50 then the area of the circle is decreased by

Answer 1

Hey friend here is your answer

Area of circle when radius is 50cm

= 22/7 × 50 × 50

= 1100×50/7

If 50 %decreased than radius = 25

= 22/7 × 25× 25

550 × 25/7

It means that area decreases by 50%

Hope it helps you