1.

A sector of a circle of radius 12 cm has the angle 120°. It is rolled up so that two bounding radii are joined together to form a cone. Find the volume of the cone. (A) 189.61 cm3 (B) 169.51 cm3 (C) 179.61 cm3 (D) 125.51 cm3

Answer»

The correct option is:

(A) 189.61 cm3 



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