Question

Find the length of the cube whose total surface area is 150 cm2

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Answer 1

Step-by-step explanation:

total surface area of a cube = 6a^2

150 = 6a^2

150/6 = a^2

25 = a^2

_/ 25 = a          (square root)

5 = a

therefore , the length of the cube is 5cm