Question

if the area of a circle is 154cm, then perimeter is

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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Let the radius be r

Area of a circle=$\pi r^{2}$

154=$\pi r^{2}$

$r^{2}=154*7/22$

r=7 cm

perimeter=$2\pi r$

$2\pi r$=?

2*22/7*7=44 cm

Therefore Perimeter =44 cm