Question

Fin the volume of rubber used in making a hollor ball of radius 3cm,it's thickness of the rubber is 0.3cm

Nov 10, 2017

Ms. Sue

V=4/3πr^3

V = (4/3) * 3.14 * 2.4^3

V = (4/3) * 3.14 * 13.824

V = (4/3) * 43.40736

V = 173.62944/3 = 57.88 cubic cm

Nov 10, 2017

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