Quadrilaterals

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Quadrilaterals are polygons with four sides. They can be classified by their angles and sides. In fact, you can make a cool chart to show just how each fits into the quadrilateral 'family.'


			parallelogram opposite sides are parallel

			trapezoid one pair of parallel sides

		rectangle two pairs of parallel sides opposite sides are congruent four right angles

			rhombus opposites sides are parallel opposite sides are congruent

			square four congruent sides four right angles