Asked by charlene
The surface area of a sphere with a diameter of 5 cm is........ How do I connect SA= 4*pie*r*square to this equation?
Answers
Answered by
Reiny
radius = 5/2 cm
SA = 4πr^2
= 4π(2.5^2)
= 25π cm^2
= appr 78.54 cm^2
SA = 4πr^2
= 4π(2.5^2)
= 25π cm^2
= appr 78.54 cm^2
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