SOLUTION: How many square inches of paint would be in a sphere with 12-inches diameter

Algebra ->  Test -> SOLUTION: How many square inches of paint would be in a sphere with 12-inches diameter       Log On


   



Question 1058639: How many square inches of paint would be in a sphere with 12-inches diameter

Found 3 solutions by Alan3354, math_helper, ikleyn:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How many square inches of paint would be in a sphere with 12-inches diameter
--------
If you mean the surface area:
SA+=+4pi%2Ar%5E2

Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Area of a sphere: +A+=+4%28pi%29r%5E2+
r = 6 inches so +A=4%28pi%29%286%5E2%29+ = +452.389in%5E2
Rounded to nearest 10th of an inch: +452.4+in%5E2

Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
Paint is not measured in square inches.