The TSA of a cylinder is 2728 sq cm.Find its volume if the radius of its base is 7cm.
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Answer:
radius of cylinder is 7cm
the total surface area of cylinder is 2728cm^2
Total suface area of cylinder =2pi×r (r+h)
2728=2pi×r (r+h)
2728=2×22/7×7 (7+h)
2728=2×22 (7+h)
2728/2×22=(7+h)
62-7=h
h=55cm
volume of a cylinder=pi×r^2×h
=22/7×7×7×55
=22×7×55
=22×385
=8470cm^3
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Step-by-step explanation:
88470cm³ it is right answer
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