Question

from a solid eylinder of height 14 cm and base diameter 7 cm two equal conical holes each of radius 2.1 cm and height 4 cm are cut off find the volume of remaining solid

Answer 1

he height of thecylinder h = 14 cmbase diameter = 7 cmthe radius of the base of the cylinder r = 7/2 = 3.5cmthe volume of the cylinder =the radius of the conical holes r1= 2.1 cmthe height of the conical hole h1 = 4 cmthe volume of the conical hole =the volume of two conical hole = 2*18.48 = 36.96 cubic cmthe volume of the remaining part = volume of the cylinder - volume of two conical holehope this helps you

Answer 2

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