Question

Find the csa and tsa of cylinder if diameter is 14cm and height is 60cm

Answer 1

Answer:

radius= 7cm ( half of diameter)

height= 60cm

$csa = 2\pi \: rh \\ = 2 \times \frac{22}{7} \times 7 \times 60 \\ = 2640cm {}^{2}$

$tsa = 2\pi \: r(h + r) \\ = 2 \times \frac{22}{7} \times 7(60 + 7) \\ = 44 \times 67 \\ = 2948cm {}^{2}$

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