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 Assume that the area of the parallelogram ABCD is 140 square inches.

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Assume that the area of the parallelogram ABCD is 140 square inches. What is the area of triangle​ ABE? A parallelogram ABCD with a horizontal side AB of the length 14. A triangle ABE with E on the horizontal side DC of the parallelogram ABCD. 14

 

The area of triangle ABE is __ square inches.

 Nov 29, 2017

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 #1
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The area of ABCD  =  AB *  BC      .... so...

 

140  = 14 * BC     divide both sides by 14

 

10  = BC  = height of ABE

 

So....area of ABE  =   

 

(1/2) AB * BC  =  (1/2) 140  =   70  in^2

 

 

cool cool cool

 Nov 30, 2017

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