Find the height of cylinder whose radius is 7cm and total surface area is 968cm²
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Answer:
Step-by-step explanation: T.S.A of cylinder=2πrh+πr²h
968=2πr(r+h)
968=2×22/7×7(7+h)
968×7/22×7×2=7+h
22=7+h
15=h
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