Question

circumference of semicircle is 154 metre find its area​

Answer 1

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Answer 2

Answer:

step by step explanation

Step-by-step explanation:

given,

Circumference of semicircle = 154m

find its area =?

area of the semicircle = 1/2πr^2

circumference of semicircle =154

pi*r=154

22/7*r=154

22r=154*7

22r=1078

r= 1078/22

r=49

now the area of semicircle

1/2πr^2= 1/2*22/7*49*49

1*11*7*49

11*7*49= 77*49

3773 CM

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