'Lower base angles' diaporamas de présentation

5.5 Properties of Quadrilaterals

5.5 Properties of Quadrilaterals. Objectives : Know properties of special quadrilaterals. Use properties of special quadrilaterals in proofs. Parallelograms: a quadrilateral with both pairs of opposite sides parallel. Opposite sides are congruent. Opposite angles are congruent.

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Section 5.5

Section 5.5. Properties of Quadrilaterals. Properties of Parallelograms. Opposite sides are parallel ( DC ll AB, AD ll BC ) Opposite sides are congruent ( DA CB, DC AB ) Opposite angles are congruent (<DAB <DCB, <ABC <ADC)

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Warm Up

Warm Up.

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5.5 Properties of Quadrilaterals

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Warm Up

Warm Up.

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Properties of Quadrilaterals

Properties of Quadrilaterals. Lesson 5.5. Properties of parallelograms. Opposite sides are parallel and congruent Opposite angles are congruent Diagonals bisect each other Any pair of consecutive angles are supplementary. Properties of rectangles:. All properties of parallelograms apply

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