Question

Find the area of the base, curved surface area and total surface area of the following cylinder

a)H=20 cm
r = 7 cm​

Answer 1

Answer:

2πrh = 2 × 22/7× 20 = 880cm^2

Answer 2

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$\bf \: 2πrh = 2 × \frac{22}{7}× 20 = 880cm^2$