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The length of a rectangle is 2 units and its width is square root of 2 unit. Is the area of the rectangle rational or irrational? Justify your answer

 Jul 20, 2014

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 #1
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The area is just length* width = 2√2 square units.  Because √2 is irrational (i.e. cannot be represented exactly by the ratio of two whole numbers) then so is the area.

 Jul 20, 2014
 #1
avatar+33654 
+10
Best Answer

The area is just length* width = 2√2 square units.  Because √2 is irrational (i.e. cannot be represented exactly by the ratio of two whole numbers) then so is the area.

Alan Jul 20, 2014

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