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Quadrilaterals

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by

Sharon Mayer

on 27 April 2010

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Transcript of Quadrilaterals

Quadrilaterals
Four-sided polygons Concave Convex Chevron Parallelogram
2 pairs of parallel sides Trapezoid
exactly 1 pair of parallel sides
parallel sides are bases
non-parallel sides are legs Isosceles trapezoid
legs are congruent Rectangles
2 pairs of parallel sides
4 right angles Rhombus
2 pairs of parallel sides
4 congruent sides Square
4 congruent sides
4 right angles Kite
NO parallel sides
2 pairs of congruent adjacent sides
Trapeziums
no parallel sides polygon in which a line containing one of the sides of the polygon also contains a point in the interior of the polygon. polygon for which there is no line that contains both a side of the polygon and a point in the interior of the polygon.
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