# A heap of the rice is in the form of cone. Its diameter is 12 m, height is 8 m, then the volume is …………

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A heap of the rice is in the form of cone. Its diameter is 12 m, height is 8 m, then the volume is …………

(A) 200.5 Cu.cm

(B) 300.14 Cu.cm

(C) 301.44 Cu. m

(D) 200.15 Cu. m

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Correct option is: (C) 301.44 Cu. m

Diameter of cone is 2r = 12 m

$\therefore$ Radius of cone is r = 6 cm and height of the cone is h = 8 m.

$\therefore$ Volume of heap = volume of cone

$\frac 13$ $\pi r^2$h = $\frac 13$ $\times$3.14 $\times$$\times$ 6 $\times$8

= 96 $\times$ 3.14

= 301.44 $m^3$

Hence, the volume of the heap is 301.44 cubic metre

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by (34.9k points)

Correct option is: (C) 301.44 Cu. m