Summary Sheet Quadrilateral Properties Page 2
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1
2SUMMARY CHARTS:
Special
Diagonals
Diagonals Bisect
Quadrilateral
Congruent
Perpendicular
Each Other
Angles
Parallelogram
Sometimes
Sometimes
Always
Sometimes
Rectangle
Always
Sometimes
Always
Sometimes
Rhombus
Sometimes
Always
Always
Always
Square
Always
Always
Always
Always
Trapezoid
Sometimes
Never
Never
Never
Isosceles Trapezoid
Always
Never
Never
Never
Kite
Never
Always
Only one diagonal
Only one angle
Property
Rectangle
Rhombus
Square
1. All the properties of a parallelogram?
Yes
Yes
Yes
2. Equiangular (4 right corner angles?)
Yes
No
Yes
3. Equilateral (4 congruent sides?)
No
Yes
Yes
4. Diagonals bisect angles?
No
Yes
Yes
5. Diagonals congruent?
Yes
No
Yes
6. Diagonals perpendicular?
No
Yes
Yes
Never
s
a
Quadrilateral
o
l
Sum of angles is 360
m
w
e
a
t
y
i
s
2 pairs of parallel
m
sides
One pair of parallel sides
>>
e
s
>
Parallelogram
^
^
Trapezoid
>>
>
4 right angles
4 congruent sides
2 congruent legs
>
Rectangle
Rhombus
Isosceles
Trapezoid
>
No parallel sides
4 right angles and 4 congruent sides
2 pair consecutive
sides congruent
Square
Kite
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