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9 grade maths> 3. The height of a cone is 15 cm. If its ...

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3. The height of a cone is 15 cm. If its volume is 1570 cm3 find the radius of the base. (Use n = 3.14).

Harshit Singh , 4 Years ago

Grade 12th pass

1 Answers

Pawan Prajapati

Last Activity: 4 Years ago

Let r be the required radius. Height (h) = 15 cm Volume = 1570 => 1 x 3.14 x i1- x 15 = 1570 3 => i1- = 1570 x 3 = 100 :::::) r = 10 cm. 3.14 x15 ,

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