10. The total surface area of a
cube is 486 cm2. Find it's
volume.
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Answer:
729 cm³
Step-by-step explanation:
Let said of the cube be x.
= Area of a surface =x²
= Area of the give cube =6 x²
= 6x²= 486
= x²= 486/6
= 81
x= / 81 = 9
= x³ = 9×9×9=729
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