Question

Find the total surface area of each of the following right circular cylinders
(a) diameter of the base = 7 cm height = 21cm
(b) radius of the base = 14 m. height = 6
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Answer 1

Step-by-step explanation:

a T.S.A=2πr(r+h)

2*22/7*7/2(7/2+21)

22*24.5

539cm²

b T.S.A=2πr(r+h)

2*22/7*14(14+6)

88*20

1760m²

Answer 2

Answer:

482

Step-by-step explanation:

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