Question

find the area of a circle whose circumference is 154cm​

Answer 1

Answer:

A≈1887.26

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Answer 2

Answer:

2πr=154

r = 154/2π

A=πr2

A=. π x 154/2π x 154/2π

=. 77 x. 77/π

=. 77 x 77 x 7/22

= 7 x 77x 7/2

= 49x77/2

1886.5 cm2