Question

A cube of brass whose edge is 10 centimetre is melted and recast into a rectangular Block 20 cm long 8Cm wide .find the height of new block​

Answer 1

Hope the answer helps you.

Answer 2

when shapes are changed their volumes will be equal

volume of cubiod= volume of cube

lbh=a3

20×8×h=(10)3

160×h=1000

h=1000/160

25/4=6.25cm