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What will its new volume be in cubic metres, if each side is doubled in length? A cube has a volume of 8 cubic metres.

This question is part of test your numeracy skill
Asked by Muslimsardar, Last updated: Dec 12, 2018

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muslimsardar

Muslimsardar

Answered on Dec 12, 2018

64 cubic metres

Volume = length x width x height 8 = l x w x h but l, w and h are all equal as it is a cube Therefore l = w = h = 2m If each side is doubled in length l = w = h = 4m Therefore new volume = 4 x 4 x 4 = 64 cubic metres Or if you prefer the quicker method. If each side is doubled in length then the new volume must be 2 to the power 3 bigger = 8 x 8 = 64
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