Find curved surface area and total surface of a cylinder when r = 7 and h = 12 cm
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Answer:
Diameter =14 cm
Diameter =14 cmRadius =7 cm
Diameter =14 cmRadius =7 cmHeight =15 cm
So,
TSA of cylinder =2πr(r+h)
=2× 22/7×7(7+15)
=2× 22/7×7×22
=968 cm²
CSA of cylinder =2πrh
=2× 22/7×7×15
=660 cm²
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