Question

total surface area of cube is 150 sq.cm what is side of this cube?

Answer 1

t.s.a=6×side square
150=6×side square
150÷6=side square
25=side square
5=side
therefore, side=5cm

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Answer 2

Hi there !
Here's your answer

Given,

Total surface area of the cube = 150 cm²

We know,
Total surface area = 6l² where ' l ' is the length of the edge of the cube

So,

150 = 6l²

150/6 = l²

l² = 25

l = ✓25
l = 5

Thus,
the side of the cube is 5cm