properties
|
square
|
rect
|
rhomb
|
para
|
trap
|
kite
|
c-vex
|
c-cave
|
all sides congruent
|
yes
|
|
yes
|
|
|
|
|
|
opposite sides parallel
|
yes, both pairs
|
yes, both
|
yes, both
|
yes, both
|
only/at least 1 pair
|
|
|
|
diagonals bisect (at midpoints)
|
yes
|
yes
|
yes
|
yes
|
|
one diagonal is bisected when
they cross
|
|
|
diagonals are perpendicular
|
yes
|
|
yes
|
|
|
yes, when they cross
|
|
|
diagonals are congruent
|
yes
|
yes
|
|
|
|
|
|
|
all angles are 90°
|
yes
|
yes
|
|
|
|
|
|
|
diagonals bisect the angles of
the quadrilateral
|
yes
|
|
yes
|
|
|
one diagonal does
|
|
|
one diagonal is outside the
quadrilateral
|
|
|
|
|
|
|
|
yes
|
the diagonals and the sides of
the quadrilateral form 3 triangles
|
|
|
|
|
|
|
|
yes
|
the diagonals cross
|
yes
|
yes
|
yes
|
yes
|
yes
|
|
yes
|
|
adjacent angles add up to 180
|
yes, all pairs
|
yes, all
|
yes, all
|
yes
|
2 pairs add up to 180
|
|
|
|
2 pairs of adjacent sides are
the same
|
yes
|
|
yes
|
|
|
yes
|
|
|
opposite sides are congruent
|
yes
|
yes
|
yes
|
yes
|
|
|
|
|
opposite angles are congruent
|
yes
|
yes
|
yes
|
yes
|
|
one pair is congruent
|
|
|