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OpenStudy (kylav210):
The coordinates of the vertices of quadrilateral ABCD are A(6, 7), B(4, 2), C(1, 5), and D(3, 8). ABCD is reflected across the x-axis to form PQRS. What is the length of diagonal PR? Square root of 37units Square root of 19 units Square root of 82units Square root of 29 units
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OpenStudy (anonymous):
I'd really recommend you drawing a picture of this problem in the xy-plane, reflection across the x-axis is something very straightforward once you see the picture.
OpenStudy (kylav210):
Oh okay!
OpenStudy (anonymous):
If that doesn't help you let me show you one property of the reflection along the x-Axis.
OpenStudy (kylav210):
Okay thanks!(:
OpenStudy (anonymous):
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