Question

the height of a cine is 15 cm its volume isb1570cc finds its radius ​

Answer 1

Answer:

Explanation:

answer

Answer 2

$\mathtt{\green{given \: height = 15cm}} \\ \\ \mathtt{\green{volume = 1570 {cm}^{3}}} \\ \\ \mathtt{\green{according \: to \: the \: formula}} \\ \\ \mathtt{\green{volume \: of \: cone = \frac{1}{3} \pi {r}^{2} h}} \\ \\ \mathtt{\green{putting \: the \: values}} \\ \\ \mathtt{\green{1570 = \frac{1}{3} \times 3.14 \times {r}^{2} \times 15 }} \\ \\ \mathtt{\green{1570 = 3.14 \times 5 \times {r}^{2} }} \\ \\ \mathtt{\green{ {r}^{2} = \frac{1570}{3.1 \times 5} }} \\ \\ \mathtt{\green{ {r}^{2} = \frac{1570 \times 10}{31 \times 5} }} \\ \\ \mathtt{\green{ {r}^{2} = 100 cm}}$

r=√100 cm

r=10cm

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