Question

(c) radius=5 cm
If the circumference of a circular sheet is 154 m, find its radius. Also find the area of
22
the sheet. (Take =
7​

Answer 1

卂иรωεƦ:-✌✌

Circumference of the circular sheet = 154m

⇒ 2πr = 154m

⇒ r = 154

____

2π

⇒r = 154 × 7

_______ =24.5 m

2 × 22

⇒ Now , area of circular sheet = πr^2 = 22

___ × 24.5×24.5

7