Question

A metal cuboid of dimension 22cm.×15cm.×7.5cm was melted and cast into a cylinder of height 14cm.what is it's radius?​

Answer 1

Answer:

Here volume of cube will be equal to volume of melted cylinder

Step-by-step explanation:

Therefore,

Volume of Cube=l*b*h

=22*15*7.5

=2475 cubic centimeter-----1

Volume of cylinder=πr²h

=3.14*r²*14

=43.96*r²------------2

Equating equations 1&2

2475=43.96r²

2475/43.96=r²

56.301=r²

• r=7.503cm
• Therefore radius of cylinder is 7.503cm or 0.07503m