Question

A circular path is enclosed by two concentric circles. If the circumference of the path is 88 cm and the uniform width of the path is 3.5 cm , find the area of the path

Chapter : Circumference and area of circle
​

Answer 1

Answer:

88=2*22*r/7

r=88*7/22*2

=14

14-3.3=10.5

A=πr^2

22*10.5*10.5/7

22*1.5.10.5

269.5

Answer 2

Answer:

.....

The answer is 78.57 cm square.