Question:
the surface area of a cube is 216 sq. cm. What is its volume
Answer:
Let length of side of the cube = a cm
Given, surface area of a cube is 216 cm2
=> 6a2 = 216
=> a2 = 216/6
=> a2 = 36
=> a = √36
=> a = 6
Now, volume of the cube = a3
= 63
= 6*6*6
= 216 cm3
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