Question

find the circumference of circle
whose area is 154 sq.cm?
​

Answer 1

Answer:

first circumference of the circle is =2πr

2πr=154

πr=154/2

r= 77×7/22

r24.5 ^cm

Answer 2

Step-by-step explanation:

area of circl=154sq.cm

circumference of circle=?

now, first find the radius of circle

area of circle =Πr^2

154=22/7×r×2

154=44/7r

154/44=r

r=3.5

now, find circumference=Πr^2

= 22/7×3.5×3.5

=38.5ans

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