Math, asked by varshini36, 1 year ago

Find CSA of each of the of the following cylinders

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Answered by Anonymous
18
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Answered by CaptainBrainly
19
Hey Mate :

Here is your answer :
_________________________

i) Given,

r = x. h = y

csa \: of \: cylinder = 2\pi \: rh \\ \\ = 2 \times \frac{22}{7} \times x \times y \\ \\ = 44xy / 7<br /><br /><br />ii) d = 7 r = 3.5 h = 10<br /><br />[tex] = 2 \times \frac{22}{7} \times 3.5 \times 10 \\ \\ = 44 \times 0.5 \times 10 \\ \\ = 440 \times 0.5 \\ \\ = 220 {cm}^{2}

iii) r = 3 h = 14

 = 2 \times \frac{22}{7} \times 3 \times 14 \\ \\ = 44 \times 3 \times 2 \\ \\ = 44 \times 6 \\ \\ = 264 {cm}^{2}

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