Parallelograms (8.2)
Properties of Parallelograms
1) its opposite sides are congruent
2) its opposite                     are congruent
If a quadrilateral is a parallelogram, then
AND
find the values of x and y.
Using the parallelogram below,
yo
x + 4
12
65o
x = 
y = 
find the values of x and y.
Using the parallelogram, 
x =
y = 
2yo
2x + 3
15
60o
If a quadrilateral is a parallelogram,
then its consecutive angles are
____________________.
complementary
supplementary
congruent
also alternate interior angles
In the parallelogram, the m ∡ KJM = 110o.
Find the measure of ∡ KML
K
J
m ∡ KML =
30o
L
o
M
If a quadrilateral is a parallelogram, then its
_____________    bisect each other.
sides
consecutive angles
opposite angles
diagonals
Q
In the parallelogram below, 
find the values of x and y.
x =
y =
P
y + 1
5
M
x - 1
R
S
PR = 4
Using the parallelogram, find the values ofm and n.
m = 
n = 
2n
16
9 - n
4m
What is the measue of Angle 1?  
Find the value of a
1
Is BD = AC always?  yes or no
x = 
DE = 
BE = 
AC =
BD = 14
AB = 11
In parallelogram ABCD, which angle is congruent to
Angle ABC?
<CDA
<BCD
<DAB
<ABD
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