Question

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

Answer 1

Answer:

Circumference of the circular sheet=154m

⇒2πr=154m

⇒r=  

2π

154

​  

 

⇒r=  

2×22

154×7

​  

=24.5m

Now, Area of circular sheet=πr  

2

=  

7

22

​  

×24.5×24.5

=22×3.5×24.5=1886.5m  

2

.

Thus, the radius and area of circular sheet are 24.5m and 1886.5m  

2

 respectively.

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