The area of circle is 38.5 sq. cm. Its circumference is? Options: A . &nbsp121 cm B . &nbsp11 cm C . &nbsp6.20 cm D . &nbsp22 cm

The area of circle is 38.5 sq. cm. Its circumference is?

Question

The area of circle is 38.5 sq. cm. Its circumference is?

Options:

A . 121 cm

B . 11 cm

C . 6.20 cm

D . 22 cm

Answer: Option D

? ( 22 x r2) / 7 = 38.5? r2 =(38.5 x 7) /22? r = 3.5 cm? Circumference = 2 x (22/7) x 3.5 cm= 22 cm

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