find total surface area of cylinder height is 20 cm and base is 7 cm. find the volume and curved surface area and total surface area
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Answer:
Volume of cylinder =πr^2h
=22/7 x 7x7x20
=22x7x20
=3080cm^3
Curved surface area=2πrh
=2x22/7x7x20
=880cm^2
Total surface area=2πr(r+h)
=2x22/7x7(20+7)
=44x27
=1188cm^2
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