Quadrilateral-a polygon with 4 sides and 4
angles
Trapezoid- a quadrilateral with exactly
one(1) pair of parallel sides
The parallel sides are called the bases of the
trapezoid.
1
Parallelogram- a quadrilateral with opposite sides parallel
and congruent
Rectangle- a parallelogram with 4 right angles
2
Rhombus­ a parallelogram with 4 congruent sides
Square­ a parallelogram with 4 right angles and 4 congruent sides
3
Quadrilaterals
no parallel sides
two pair parallel
one pair parallel
am
gr
o
l
e
l
l
a
par
trapezoid
gle
n
a
t
c
re
us
b
m
o
rh
e
r
ua
sq
4
Classify each quadrilateral: give its MOST specific name!
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