Question 1096028
A student paints a 4 meter square canvas she wants to recreate her canvas and make it twice as large.what will the length be 
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If you mean it's an area of 4 sq meters, then the length will be doubled (with no change in the width).
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If you mean it's 4 m by 4 m, then the length will be 8 meters.
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If you mean something else, you'll have to be more explicit.