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Download Geometry 6-4 and 6-6
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Warm-Up • ABCD is a parallelogram. • Find the length of BC. B A 5x + 3 3x + 11 D C Geometry 6-4 and 6-6 Rectangles, Rhombi, Squares, Kites, and Trapezoids Quadrilateral • 4-sided figure Parallelogram • • • • • Opposite sides parallel Opposite sides congruent Opposite angles congruent Consecutive angles supplementary Diagonals bisect Rectangle • 4 right angles • Diagonals are congruent Rhombus • 4 congruent sides • Diagonals are perpendicular • Diagonals bisect opposite angles Square • 4 right angles • 4 congruent sides • Everything a rectangle and rhombus have Kite • Two pairs of congruent consecutive sides • Diagonals are perpendicular • Middle pair of opposite angles are congruent Trapezoid • Only one pair of parallel sides (called bases) • Non-parallel sides are called legs • Base angles share a common base Isosceles Trapezoid • Legs are congruent • Each pair of base angles are congruent • Diagonals are congruent parallelogram quadrilateral kite trapezoid rhombus rectangle square isosceles trapezoid
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