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Find the volume of a given cone with height of 14 cm and diameter of the circular base of 6 cm.​(Useπ=227)( Use \pi = \frac{22}{7})(Useπ=722​)​
Question

Find the volume of a given cone with height of 14 cm and diameter of the circular base of 6 cm.

(Useπ=227)( Use \pi = \frac{22}{7})

A.

232 cm³

B.

130 cm³

C.

132 cm³

D.

396 cm³

Correct option is C

Given:

Height of the cone, h = 14 cm

Diameter of the base = 6 cm

Radius r =62 \frac{6}{2} ​= 3 cm

Formula Used:

Volume of cone =13πr2h= \frac{1}{3} \pi r^2 h

Solution:

Volume is given by, 

=13×227×(3)2×14 =13×227×9×14 =13×22×9×147 =13×27727=13×396=132 cm3= \frac{1}{3} \times \frac{22}{7} \times (3)^2 \times 14 \\ \ \\= \frac{1}{3} \times \frac{22}{7} \times 9 \times 14\\ \ \\=\frac{1}{3} \times \frac{22 \times 9 \times 14}{7}\\ \ \\=\frac{1}{3} \times \frac{2772}{7} = \frac{1}{3} \times 396 = 132 \text{ cm}^3

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