Question

Can u plzzzzzz help me to solve this question and show me the solutions

Answer 1

Answer:

ABOVE YOUR QUESTIONS IS SOLVED

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Answer 2

Answer:

given h=20

volume=770

$volume \: of \: cylinder = \pi {r}^{2} h$

$770 = \frac{22}{7} {r}^{2} (20)$

${r}^{2} = \frac{770 \times 7}{22 \times 20}$

${r}^{2} = \frac{49}{4}$

$r = \frac{7}{2}$

$r = 3.5$

the radius of the following cylinder is 3.5cm

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