Question

find the volume of a cube each face of which has an area of 81m^2

Answer 1

Answer:

Step-by-step explanation:

Area of face =a²=81

a=√81

a=9

Now volume of the cube=a³

Hence,(9)³

Volume of the cube=729m³

.....hope it will help...

Answer 2

$area \: = 81{m}^{2}$
Side = 9m

$volume \: = {a}^{3}$
Volume = 9 × 9 × 9 = 729 m^3

Hope it helps

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