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The radius of a sphere that has a surface area of 12.56in2 would turn out to be:
4
r²
4
Answer:
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Step-by-step explanation:
By pythagorean theorum we calculate the height:
= = height of triangle
area of triangle = base * height
area =
There are two triangles so:
Multiply this by 13.25 to get total cost:
=$259.65