lisastatler62 lisastatler62
  • 03-05-2018
  • Mathematics
contestada

find the radius of a sphere with surface area of 100 Pi square centimeters

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smmwaite
smmwaite smmwaite
  • 09-05-2018
The surface area of a sphere = 4πr²

4πr²=100π

Dividing both sides by 4π,

r² = 100π÷4π = 25

r² = 25

Taking the square root on both sides, 

r = 5 centimeters  
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