find the surface area of a sphere whose diameter is 7 cm
Answers
Answered by
0
A≈153.94
d Diameter
7
Unit Conversion:
Using the formulas
A=4πr2
d=2r
Solving forA
A=πd2=π·72≈153.93804
Answered by
1
radius = diameter/2
radius = 7/2_____(1)
surface area of sphere = 4 * pi * r^2
= 4 * 22/7 * 7/2 * 7/2
= 2 * 11 * 7
= 154 cm ^2
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