Geometry

Parallelograms

opposite sides are parallel

same sided angles are supplementary

Quadrilateral

4 sided polygon- parallelograms

parallelograms

both pairs of opposite sides are parallel

diagonals bisect

opposite sides are parallel

opposite sides are congruent

rectangle

4 congruent angles

diagonals of a rectangle are congruent

rhombus

diagonals of a rhombus are perpendicular

diagonals of a rhombus bisect opposite angles

square

also a rectangle

angles are 90

opposite angles are parallel

consecutive angles are supp.

all angles are congruent

kite

convex and 360 degrees

consecutive congruent sides

one pair of opp. angles are congruent between the non congruent sides

diagonals are perpendicular

2 pairs of consecutive congruent sides

trapezoids

exactly one pair of parallel sides

parallel sides= “base”

isosceles- legs are congruent, base angles congruent, diagonals are congruent

Midsegment of a trapezoid

the segment that connects the midpoints of the legs of a trapezoid

2 properties: 1. parallel to bases 2. length is half the sum of bases

MN= AB+DC/ 2

pt 2 of rectangle

consecutive angles are supplementary

opposite angles are congruent