Question

A cone with diameter of its base as 30 cm is formed by melting a spherical ball of diameter 10 cm what is the approximate height of the cone

Answer 1

please mark as brainlist answer

Answer 2

volume of sphere

$= \frac{4}{3} {r}^{3} \\ = \frac{4}{3} \times \frac{22}{7} \times 5 \times 5 \times 5 \\ = 523.8 {cm}^{3} \\ \\ \\ \\ now \: according \: to \: the \: quation \\ \\ volum \: of \: cone = volum \: of \: spherical \: ball \\ \frac{1}{3} \times \pi {r}^{2} h = 523.8 \\ \frac{1}{3} \times \frac{22}{7} \times 15 \times 15 \times h = 523.8 \\ h = 523.8 \times \frac{7}{22} \times \frac{1}{5} \times \frac{1}{15} \\ h = 2.22 {cm}^{3}$

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