Question

The total surface area of cylinder of radius 7cm is 88cm². Find the height.

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Answer 1

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Answer 2

Answer:

Here is the answer!!

Volume of cylinder= 2πr(r+h)

88cm²=2 x 22/7x7 (7+h)

88cm²=44(7+h)

88cm²= 308+44h

220=44h

h=5 cm

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