Find CSA of each of the of the following cylinders
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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} 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}](https://tex.z-dn.net/?f=csa+%5C%3A+of+%5C%3A+cylinder+%3D+2%5Cpi+%5C%3A+rh+%5C%5C+%5C%5C+%3D+2+%5Ctimes+%5Cfrac%7B22%7D%7B7%7D+%5Ctimes+x+%5Ctimes+y+%5C%5C+%5C%5C+%3D+44xy+%2F+7%3Cbr+%2F%3E%3Cbr+%2F%3E%3Cbr+%2F%3Eii%29+d+%3D+7+r+%3D+3.5+h+%3D+10%3Cbr+%2F%3E%3Cbr+%2F%3E%5Btex%5D+%3D+2+%5Ctimes+%5Cfrac%7B22%7D%7B7%7D+%5Ctimes+3.5+%5Ctimes+10+%5C%5C+%5C%5C+%3D+44+%5Ctimes+0.5+%5Ctimes+10+%5C%5C+%5C%5C+%3D+440+%5Ctimes+0.5+%5C%5C+%5C%5C+%3D+220+%7Bcm%7D%5E%7B2%7D+)
iii) r = 3 h = 14

HOPE THIS HELPS U...
Here is your answer :
_________________________
i) Given,
r = x. h = y
iii) r = 3 h = 14
HOPE THIS HELPS U...
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