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In the diagram, the area of rectangle $ABCD$ is $40$. What is the area of $MBCN$?

 Mar 28, 2020
 #1
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Recognize that MBCN is a trapezoid-and the area can be found by: 1/2 * (sum of the bases) * (height).

 

The height is \(\frac{40}{8}=5\) units,

 

Thus, the area of MBCN)(the trapezoid) is \(\frac{1}{2}*6*5=15\) units squared.

 Mar 28, 2020
 #2
avatar+1421 
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Rectangle area is 40 u2

 

Area MBCN = 3/8 * 40

 Mar 28, 2020

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