Wednesday, January 21, 2009

6-7 Special Quadrilaterals

QUADRILATERAL is a 4 - sided closed figure.

PARALLELOGRAM has 2 pairs of parallel sides, opposite sides are congruent, and opposite angles are congruent.

RHOMBUS has 2 pairs of parallel sides, opposite angles are congruent, and all four sides are congruent.

RECTANGLE has 2 pairs of parallel sides, opposite sides are congruent, and it has four right angles.

SQUARE has 2 pairs of parallel sides, four right angles, and four sides are congruent.

ISOCELES TRAPEZOID has one pair of parallel sides, the nonparallel sides are congruent, and two pairs of congruent angles.

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