The area of a circle is 616 cm². Find the radius.

A7 cm

B14 cm

C21 cm

D28 cm

Explanation

pi * r^2 = 616 => (22/7)*r^2 = 616 => r^2 = 196 => r = 14.

Exam Relevance

Topic: Geometry & Mensuration
Subtopic: Circles

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