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

14

173

2.5

7

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

a

b

94

2

24

16

8

4

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

a

b

260

50

100

65

130

25

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

a

b

17

65

25

100

260

4

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

a

114

25

65

260

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

d

f

b

g

c

h

E

F.

A

F!

B

D

F

C