Question

54. If three cubes of sides 6 m, 8 cm and 1
cm are melted and made as a single
cube, then length of side of that cube is
A) 15 cm B) 12 cm C) 9 cm D) 6 cm​

Answer 1

Answer:

This is the ans . hope u understan

Answer 2

Answer:

9m

Step-by-step explanation:

$\\volume1 = {6}^{3} \\ = 216 {m}^{3} \\volume2 = {8}^{3} \\ = 512 {m}^{3} \\volume3 = {1}^{3} \\ = 1{m}^{3} \\ volume =216 {m}^{3} + 512 {m}^{3} + 1 {m}^{3} \\ =729 {m}^{3} \\ side = \sqrt[3]{729} \\ = 9m$

Hope it's helpful for you!