6
QuizMultiple Choice

Surface Area

Question 6 • Mathematical Models with Applications - MA4072 CR

What is the surface area of a sphere with the given dimension? Express your answer to nearest hundredth. Use 3.14 for pi.Radius = 5cm.

Answer
A
982 sq. cm
B
1481.34 sq.cm
C
314 sq.cm
D
628 sq. cm

Explanation

The surface area of a sphere is 4πr². With radius 5 cm and π = 3.14, the area is 4 × 3.14 × 5² = 314.00 square centimeters. The correct choice is 314 sq. cm.

AI-written and checked against the verified answer.

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