Question

e) A cylindrical tank has a volume of 6160 cm'. Find its radius if the height is 40 cm.
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

r = 7 cm

Step-by-step explanation:

Volume of cylindrical tank = 6160 cm^3

Height of tank = 40 cm

Radius =?

Volume of cylindrical tank = pi r^2 h

Value of pi =22/7

6160 = 22/7 *r^2 * 40

6160*7/22 = r^2*40

280*7 = r^2*40(cancellation of 6160 by 22)

1960 = r^2*40

1960/40 = r^2

49 = r^2

r=7 cm

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