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Geometry & Trigonometry
Congruence
Properties of Quadrilaterals: Rectangles
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Congruence
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A rectangle is:
A parallelogram with at least one right angle
2
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To prove a figure is a rectangle, you must show both pairs of opposite sides are:
Parallel (have the same slope)
3
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To prove a figure is a rectangle, you need to show one pair of what sides have what slopes?
Adjacent, perpendicular
4
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How does one prove that the consecutive sides of a rectangle are perpendicular?
Midpoint formula