the total surface area of a solid right circular cylinder is 660 cm 2 . if the diameter of its base is 14 cm . find its height .
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2πrh is the formula for finding the total surface area
so,
2πrh....... let height be x
= 2 *22/7 * 7 * x =660
= 44x=660
= x=15
therefore, height = 15
so,
2πrh....... let height be x
= 2 *22/7 * 7 * x =660
= 44x=660
= x=15
therefore, height = 15
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