the surface area of sphere is 314cm^2.find it diameter.(π=3.14)
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Answer:
Step-by-step explanation:
Surface area of sphere = 4πr²
314 = 4 x 3.14 x r²
r² = 314/3.14 x 4
r² = 100/4
r² = 25
r = 5 cm
Diameter = 2 x r
= 10 cm
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