The given figure shows a solid trophy made of shining glass. If one cubic centimetre of glass costs Rs 0.75, find the cost of the glass for making the trophy.

Question

The given figure shows a solid trophy made of shining glass If one cubic centimetre of glass costs Rs 075 find the cost of the glass for making the trophy

Accepted Answer

Solution This trophy is the case of combinational of solids Given side of the cube a 28 cm Radius of the cylinder r 282 14 cm Height of the cylinder h 28 cm Volume of the cube asup3sup 28sup3sup 282828 21952 cmsup3sup Volume of the cylinder rsup2suph 22714sup2sup28 2221428 17248 cmsup3sup Total volume of the solid Volume of the cube volume of the cylinder 2195217248 39200 cmsup3sup Cost of 1 cmsup3sup glass Rs 075 Total cost of glass 39200075 Rs 29400 Hence the cost of making the trophy is Rs 29400

ML Aggarwal Solutions Class 10 Mathematics Solutions for Mensuration Exercise 17.4 in Chapter 17 - Mensuration