3 years ago

I need help solving this problem pls!!!

Mathematics

1 answer:

Arlecino [84]3 years ago

3 0

Answer:

74.33

Step-by-step explanation:

We need to figure out the surface area. The formula for surface area is A=2πrh+2πr2

We substitute r with the radius of this cylinder and the h represents the height of this cylinder. The height we can find because we just add the diameters of the tennis balls. So 2.6*3 = 7.8. Then we get the radius, which will just be the radius of a sphere, so 1.3. Then we plug them into the formula, giving us 74.33

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