Question

3. If a circle of 4 cm radius is out off from a of 5 cm radius
ol of circular sheet. Find area of remaining sheet.​

Answer 1

Area of the remaking sheet = area of bigger circle(circular sheet) - area of the smaller circle

Area of the bigger circle ——> 22 x 5 x 5
——
7
= 550/7 =78.5714

Area of smaller circle——> 22/7 x 4 x 4
= 352/7 = 50.2857

Area of bigger circle - area of smaller circle = 78.5714 - 50.2857
=28.2857