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Really hard geometry question?
If the lateral surface area of a cylinder is 128 times pi cm squared and the height is 16 cm, what would the radius be?
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- MLv 610 years ago
the area of lateral surface of a cylinder is 2 π r * h.
2 π r * 16 = 128 π
so, it will be
32 π r = 128 π
r = 4 cm
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