Question

The edges of three of the four cubes are
1 cm. 9 cm and 10 cm respectively. If the
total volume of two cubes with 9 cm edge
and 10 cm edge is equal to the volume of
the remaining two cubes, find the edge of
the remaining fourth cube.​

Answer 1

Answer:

A.T.Q.

9³+10³=1³+a³

729+1000=1+a³

1729-1=a³

³√1728= a

a=12cm

Hence, the edge of fourth cube is 12 cm.

Answer 2

please drop some thanks for my answer