Question

the lateral surface area of cube is 144 sqcm. find its side. please answer fast...​

Answer 1

Answer:

6 cm

Step-by-step explanation:

given ,

lateral surface area of a cube = 144

lateral surface area of a cube = 4 × a²

where a is the side

so,

according to the question,

4a² = 144

a² = 144/4

a² = 36

a = √36

a = 6 cm

so, side of cube = 6 cm

____________________

Extra information

total surface area of cube

5a²

where,

a = side of cube

lateral surface area of cube

4 × side²

Volume of cube = length³

diagonal = √3(a)

where ,

a is the side of cube

Answer 2

Answer:

36 cm

Step-by-step explanation:

let l be the side of a cube

lateral surface means one face of a cube which is a square

therefore,lateral surface area of a cube = area of a square = 144 sqcm

4l=144

l=144÷4=36cm

hence,side of a cube is 36cm.