if each edge of a cube is doubled how many times will its volume increases
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Answered by
17
Answer:
Step-by-step explanation:
Let edge be a
So vol of cube will be a^3 units
New edge is2a
New vol = (2a)^3
=8a^3
=8 (a^3)
So the volume of cube increases by 8 times
Answered by
7
Surface area of new cube = 6×(edge)²
= 6a²
Surface area of new cube = 6× (edge)²
= 6×(2a)²
= 6× 4a²
= 6× 6a²
= 4× original surface area
New surface area will be 4times original surface area .
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