Parallelograms Parallelograms Rectangles Rectangles Rhombi Rhombi Squares Squares Trapezoids Trapezoids Kites Kites
A D B C Definition: Opposite Sides are parallel.
A D B C Opposite sides are congruent.
A D B C Opposite angles are congruent.
A D B C Consecutive Angles are supplementary.
A D B C Diagonals bisect each other. M
A D B C M
Show the Definition: WZ Y X
= 180 Alternate Exterior Angles congruent Corresponding Angles congruent Consecutive Angles supplementary Alternate Interior Angles congruent 2 lines perpendicular to the same line
Show BOTH pairs of Opposite Sides are congruent: WZ Y X
Show BOTH pairs of Opposite ANGLES are congruent: WZ Y X
Show ONE angle is supplementary to each of its consecutive angles: WZ YX X is supplementary to Y and W. a + b = 180
Show that Diagonals Bisect Each Other: WZ Y X M
Show that ONE pair of sides is BOTH PARALLEL & CONGRUENT: WZ Y X
a + b = 180
A D B C Definition: Quadrilateral with Four right angles. Diagonals are congruent. M
A D B C 1 Definition: Quadrilateral with Four congruent sides. Diagonals are perpendicular. M Diagonals bisect opposite angles
A D B C Definition: It’s a Rectangle Rhombus M Rectangle& a Rhombus
Definition: Quadrilateral with exactly one pair of parallel sides. Bases are parallel. A D B C A & D are supp. and B & C are supp.
Midsegment: Segment that joins the midpoints of the legs of a trapezoid. XY is the midsegment. A D B C Midsegment is ll to bases and ½ measure of the sum of bases. XY
Definition: Trapezoid that has congruent legs. Legs are congruent. A D B C A B and D C. Each pair of Base angles are congruent. Diagonals are congruent:
Definition: Quadrilateral that has Two pair of congruent Adjacent sides and no opposite sides congruent. Diagonals are . B C D A One pair of opposite Angles are congruent.
B C D A One diagonal bisects the other. Pythagorean Theorem is often used to find measures.