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There was another forum about this, and my teacher said the answer was incorrect, so here.

In the figure, what is the area of triangle ABC ? Express your answer as a common fraction.

 Dec 4, 2018
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It's a right triangle so 

 

\(A = \dfrac{\ell_1 \ell_2}{2} = \dfrac{(2+2)(3+4)}{2}=\dfrac{28}{2}=14\)

 

are you sure the question isn't what's the area of triangle ABD?

 Dec 4, 2018

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