Question

The diiference between circumferance and radius of a circle is 37 cm. Find the area of the circle?

Answer 1

Given ,Circumference-Radius=37cm

2πr-r=37

r(2π-1)=37

r(44-7/7)=37

r(37/7)=37

r=7cm.

Now Area of circle = πr²=22/7*7²=22×7=154cm²