Question

A right cylinder of radius 7cm and height 14cm find:
(¡) CSA of the cylinder
(¡¡)base area of cylinder
(¡¡¡)TSA of cylinder
(¡v) volume of a cylinder


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Answer 1

Answer:

A is the right answer

Step-by-step explanation:

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Answer 2

Hi friend here is your answer.

$i ) \: csa \: of \: cylinder \: = 2\pi \: rh \\ solve = \\ csa = 2 \times \frac{22}{7} \times 7 \times 14 \\ csa = 2 \times 22 \times 14 \\ csa = 616c { m}^{2} \\ ii)\: base \: area \: of \: cylinder = \pi \: {r}^{2} \\ a = \frac{22}{7} \times 7 \times 7 \\ a = 154c {m}^{2} \\ iii)tsa \: a \: of \: a \: cylinder = 2\pi \: r(r + h) \\ tsa = 2 \times \frac{22}{7} \times 7(7 + 14) \\ tsa = 2 \times 22 \times 21 \\ tsa = 924c {m}^{2} \\ iv) \: valume \: of \: cylinder \: = \pi \: {r}^{2} \times h \\ v = \frac{22}{7} \times 7 \times 7 \times 14 \\ v = 22 \times 7 \times 14 \\ v = 2156cm {}^{3}$

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