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A square has a diagonal of length 10 times the square root of 2 centimeters. What is the number of square centimeters in the area of the square?

 Dec 2, 2017
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The side of the square  =    diagonal length / √2

 

So....the side length  =  [10√2] / √2   =  10cm

 

So....the area = side^2   =   10^2   =  100 cm^2

 

 

cool cool cool

 Dec 2, 2017

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