neli16mendez neli16mendez

20-02-2017
Mathematics

contestada

triangle ABC and triangle BCD have vertices A(-6 -7),B(-6,4),C(2,-7),and D(8,4).what is the area,in square units,of trapezoid ABDC which is formed by the two triangles?

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ThatGuyFSU ThatGuyFSU

20-02-2017

area = 121u^2 .... area = (Parallel side one + parallel side two)/2 X height

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ChandrikaP ChandrikaP

20-02-2017

Pls find attached file.

and u just need to find the distance by formula

[tex] \sqrt{(y2-y1)^2+(x2-x1)^2} [/tex]

where x1,x2,y1,y2 are the cordinate of ABCD trapeziod

Ver imagen ChandrikaP

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