Question
Download Solution PDFIf the volume of a cube is 729 cm3, then find the total surface area of the cube.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Volume of cube = 729 cm3
Formula:
The total surface area of the cube = 6a2
Calculation:
Let the side of the cube be A, then
A3 = 729
⇒ A = ∛729
⇒ A = ∛(9 × 9 × 9)
⇒ A = 9 cm
∴ The total surface area of the cube
⇒ 6a2
⇒6 × 9 × 9
⇒ 486 cm2
The answer is 486 cm2
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