Question

The total surface area of a cube is 54 cm2 . What is the length of its sides ?
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Answer 1

Answer:

3

Step-by-step explanation:

TSA of cube :- 6a²

6a² = 54 cm²

a² = 54/6 = 9

a² = 9 = 3²

a = 3

Answer 2

Answer:

3 cm

Step-by-step explanation:

total surface area of cube =6a^

54cm^=6a^

54/6=a^

9=a^

√9= a

√3×3=a

3=a=side

side=3cm