Question

The diameter of the base of a right circular cone is 314 cm² and its height is 15 cm . Find the volume of the cone ​

Answer 1

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Area of base = πr²= 314

${r}^{2} = \frac{314}{314} \times 100 \\ \\ {r}^{2} = 100 \\ r = \sqrt{100 } = 10$

Volume of cone = 1/3πr²h

$v = \frac{1}{3} \times 10 \times 10 \times 15 \\ v = \frac{1500}{3} = 500 {cm}^{3}$

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Answer 2

Answer:

0.3873 m^3

Step-by-step explanation: