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| PAGE: 366 | SET: Exercises | PROBLEM: 1 |
1) Let A, B, C, and D be vertices of a rectangle with length a units and height 
units.
2) Place the rectangle with vertex A at the origin, 
along the positive x-axis,
and 
along the y-axis. Label the vertices A, B, C, and D.
3) The y-coordinate of B is 0 because the vertex is on the x-axis.
Since the side length is a, the x-coordinate is a.
4) The vertex D is on the y-axis so the x-coordinate is 0.
Since the height is 
units, y-coordinate is .
5) The x-coordinate of C is also a.
Since the side 
is units long, the y-coordinate of C is .
The ractangle with length a units and height units is
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