What is the total surface area of a sphere of radius 7 cm? (Use pi = 22/7)

A154 cm²

B308 cm²

C616 cm²

D1232 cm²

Explanation

Total Surface Area = 4 * pi * r^2 = 4 * (22/7) * 7^2 = 4 * 22 * 7 = 616 cm².

Exam Relevance

Topic: Geometry & Mensuration
Subtopic: Spheres

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