Question

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b) The volume of a cylinder is 770 cm'. If the height of the cylinder is 5 cm, find the radius of the
base of the cylinder.​

Answer 1

Answer:

volume = pi * r^2 * H

770 = 22/7 * 5 * r^2

r^2 = 770* 7/110 = 49

r = sqrt 49 = 7

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Answer 2

Answer:

7

Step-by-step explanation:

$volume \: = {770cm}^{2} \\ = )\pi {r}^{2} h \: = {770cm}^{2} \\ = ) \frac{22}{7} \times {r}^{2} \times 5 = {770cm }^{2} \\ = ) {r}^{2} = 770 \times \frac{7}{110} \\ = ) {r}^{2} = 7 \times 7 \\ = )r = 7$

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