Morayah L.

asked • 01/04/18

Find the area of the triangle whose base is (12x - 2y) and height is (5x - 2y).

a. 30x^2 + 7xy + 2y2

b. 30x^2 - 7xy + 2y2

c. 30x^2 + 17xy + 2y2

d. 30x^2 - 17xy + 2y2  

1 Expert Answer

By:

Bobosharif S. answered • 01/04/18

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correct answer is d
S=1/2bh=(1/2)(12x-2y)(5x-2y)=(6x-y)(5x-2y)=30x^2-17xy+2y^2
 
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Kenneth S.

Bobosharif:  readability of exponents is enhanced by using the clickon [x2] symbol at the top left of the Comment/Answer box in WyzAnt.
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01/04/18

Bobosharif S.

Thank you very much Kenneth. Yes, that looks great!
From now on I will use that.
 
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01/04/18

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