Question

A metal cube of volume 2933 m cube is melted and 3 smaller cubes are made out of it . If the edges of two smaller cubes are 5cm and 4cm find the edge of the 3rd small cube

Answer 1

Answer:

vol of metal cube =2933^3

acc to ques it is melted into three small cube ,the edges of two cubes are 5m and 4m

vol of metal cube =vol of three small cubes

let the edge of third cube =x

2933=125+64+x^3

2933=189+x^3

2933-189=x^3

2744=x^3

x=14