3. Find the surface area of a sphere of radius - 7 cm
Answers
Answered by
2
Answer:
surface area of sphere is 4 (pi) r²
Step-by-step explanation:
4×22/7×7×7=22×4×7
88×7
606 cm²
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Answered by
29
Answer:
Given radius = 7cm
Surface area of a sphere = 4πr²
= 4 × 22/7 × 7 × 7 cm²
= 4 × 22 × 1 × 7 cm²
= 616cm²
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