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10-08-2016
Mathematics

contestada

1. what is the height of a cone whose radius is 3 cm and volume is 900 cm3?

Respuesta :

Kunchan Kunchan

10-08-2016

r = 3cm
V = 900 cm^3

V = pi * r^2 * h / 3
900 = (22/7) * 3^2 * h/3
h = (900*3*7) / 22 / 3^2
h = 18900 / 22 / 9
h = 95.45 cm

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