If the area of a circle is 154 cm², find its circumference. (Use pi = 22/7)

Topic: Geometry &amp; Mensuration
Subtopic: Circles

A22 cm

B33 cm

C44 cm

D66 cm

Explanation

Area = pi * r^2 => (22/7) * r^2 = 154 => r^2 = 49 => r = 7 cm. Circumference = 2 * pi * r = 2 * (22/7) * 7 = 44 cm.

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