Question

If the radius of the circle is increased by 10% then area increased by

Answer 1

Answer:

379.9 sq.cm

Step-by-step explanation:

area of circle is πr^2..

consider r =10.. then area is 3.14 x 100 = 314 sq.cm..

If r increased by 10℅.. i.e r = 11..

then area = π × 121

= 379.9 sq.cm