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Mathematics 8 Online
OpenStudy (anonymous):

I really need help and dont understand anything , please take time and help me . The vertices of a quadrilateral ABCD are A(1, -3), B(4, -3), C(4, -5), and D(-1, -5). The vertices of another quadrilateral EFCD are E(1, -7), F(4, -7), C(4, -5), and D(-1, -5). Which conclusion is true about the quadrilaterals? The shape of the quadrilaterals is same but their areas are different. The ratio of their corresponding sides is not equal. The measures of the corresponding angles are different. The angles and sides overlap when one quadrilateral is placed on the other

OpenStudy (anonymous):

And please explain so i understand

OpenStudy (anonymous):

First, I suggest you draw these coordinates on a plane. Then, things will become clearer.

OpenStudy (anonymous):

I have but i dont understand

OpenStudy (anonymous):

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OpenStudy (anonymous):

ABCD is clearly a trapezioid.

OpenStudy (anonymous):

Okay . so now i make a drawing of the other vertices ?

OpenStudy (anonymous):

Yes. Just E and F. As you will see, they are equal distance from C and D as A and B. So, both shapes are identical.

OpenStudy (anonymous):

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