Q. The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)
A) 89/21
B) 89/7
C) 88/7
D) 88/21
✔ Correct Answer: 88/7
Exam Insight
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A) 89/21
B) 89/7
C) 88/7
D) 88/21
✔ Correct Answer: 88/7
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