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Question on: JAMB Mathematics - 2009

Find the radius of a sphere whose surface area is 154 cm2
A
7.00 cm
B
3.50 cm
C
3.00 cm
D
1.75 cm
Ask EduPadi AI for a detailed answer
Correct Option: B
154 = 4 x22 x r2
7

154x7 = r2
4x22

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