Question

Find the edge of cube surface area 864centimetersquare.​

Answer 1

Answer:

the answer of this question is 12

Answer 2

The edge of the cube is 13 cmm

Step-by-step explanation:

Total surface area of a cube

$6 {x}^{2}$

given total surface area is

$864 {cm}^{2}$

so

$6 {x \:}^{2} \: = \: 864$

${x}^{2} = 144$

$x = \sqrt{144}$

$x = 12$

so edge of the cube is 12 cm square