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Abida
Abida asked in Science & MathematicsPhysics · 9 years ago

How to find surface area of a cylinder?

The cylinder is inside a rectangular prism, L = 40in W=30in H = 30in.

1 Answer

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  • Scootaloo
    Lv 4
    9 years ago
    Favorite Answer

    2 times pi times the (radius squared) plus 2 times pi times the radius times the height.

    so 2 x pi (r squared) + 2 x pi x radius x height

    2 x 3.1416 (20 squared) + 2 x 3.14 x 20 x 30

    2492.8 + 3769.92

    surface area = 6262.72 inches cubed

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