Unit 8 Test Review

What is the sum of the interior angles of a quadrilateral?

• 90

• 180

• 360

• 540

Solve for x.

Mathematical Equivalence

ON

Solve for x.

Complete the following for ALL PARALELLOGRAMS:

(A) Both pairs of opposite sides are ​ (a)   and ​ (b)  

(B) Both pairs of opposite angles are ​ (c)  

(C) Diagonals ​ (d)   each other

(D) Consecutive angles are ​ (e)  

• congruent
• parallel
• Bisect
• Supplementary

Refer to parallelogram ABCD. LABEL what side AD should be.

a

2.5

173

14

7

Refer to parallelogram ABCD. LABEL what EC and diagonal AC should be.

a

b

2

4

16

94

8

24

Refer to parallelogram ABCD. LABEL what angles ADC and BAD should be.

a

b

130

100

25

65

260

50

Refer to parallelogram ABCD. LABEL what x and side AB should be.

a

b

65

260

25

100

17

4

Refer to parallelogram ABCD. LABEL what angle BCD should be.

a

65

25

114

260

Determine if the following quadrilaterals are parallelograms by using one of the listed reasons.

d

f

b

g

c

h

F.

D

C

F

A

F!

E

B