Warm-Up ABCD is a parallelogram. Find the length of BC. A B C D 5x + 3 3x + 11.

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Presentation transcript:

Warm-Up ABCD is a parallelogram. Find the length of BC. A B C D 5x + 3 3x + 11

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

quadrilateral parallelogram rectangle rhombus square kite trapezoid isosceles trapezoid