Question

29. If radius of a circle is increased by 20%. What will the percentage increase
in area of the circle ?
(1)22%
(2)44%
(3) 42%
(4)5%​

Answer 1

Area is directly propotioal to radius ²

0.2 increase means 44% ...

Answer 2

Answer:

44% is the correct answer.

Step-by-step explanation:

Let the radius of original circle =r

∴ Area of original circle =πr  

But, the radius of the circle is increased by 20%

∴ Radius of new circle R=  44%

hope it helps you....

please mark me brainliest and click on thanks button and when this answer really helps you........