Find the volume of a cone with radius 13cm and with a perpendicular height of 9cm.

volume= 1/3(πr2)h= 1/3 (3.14x 13x 13)x9= 1592.79 cm3 (2.d.p) = 1590 cm3 (3.s.f)
r= radius h= perpendicular height

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