Question

if the surfsce area of a cube is 486cm2,find its volume.

Answer 1

hlo

your answer..

surface area of square = 6a^2

6a^2 = 486

a^2 = 486 / 6

a^2 = 81

a= √81

a = 9

volume of cube = a^3

( 9 )^3


729cm^3✔✔

hope it helps....

Answer 2

HII MATE HERE IS YOUR ANSWER
SURFACE AREA OF CUBE IS 6L²
THEN 486 =6L²
= 486÷6=L²
= 81=L²
= L = 9 cm
volume of cube is l³ = (9)³ = 729 cm³
I HOPE IT WILL HELP YOU