SOLUTION: radius of a sphere measures 1/4mn^2.What is the surface area of the square if m=4 and n=-2.use formula SA= 4pir^2
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Question 1066059: radius of a sphere measures 1/4mn^2.What is the surface area of the square if m=4 and n=-2.use formula SA= 4pir^2
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
1/4mn^2
1/4(4 × -2)^2
The square of ANY number is positive (-2^2 = -2 × -2 and - × - = +)
So we have:
1/4(16 × 4) = radius
4 × 1 = 4 this is the radius
Surface area of the sphere:
4πr^2 = Surface Area
4π(4)^2 = 201.06
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