Characteristics of a Quad
polygon w/ 4 sides
sum of int angles = 360
Characteristics of a parallelogram
opp sides parallel
opp sides congruent
opp angles congruent
consecutive angles supp
diagnols bisect
characteristics of a rectangle
4 rt angles
diagonals are congruent
characteristics of a rhombus
4 congruent sides
diag. are perp
diag. bisect pair of opp angles
characteristics of a square
polygon w/ 4 sides and 4 right angles
what is the special rule you need to remember?
in a quad, if both prs of opp sides are congruent then it is a parallelogram