Name: 
 

Geometry – Introduction to Geometry Lesson 1-5 Posttest


True/False
Indicate whether the statement is true or false.
 

 1. 
A regular octagon is a convex figure.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 2. 
mc002-1.jpg
Assume that the figure above is an isosceles trapezoid, meaning that the length of the left side is equal to the length of the right side.  If AD = 3x and BC = x+12, what is the length of each side?
a.
3
b.
6
c.
12
d.
18
 

 3. 
mc003-1.jpg
mc003-2.jpg = x + 2;  mc003-3.jpg = 3y - 2;  mc003-4.jpg = 3x + 2 ;  mc003-5.jpg= 7y - 4
a.
x = 5, y = 3
b.
x = 3, y = 7
c.
x = 6, y = 4
d.
x = 8, y = 1
 

 4. 
mc004-1.jpg

What is the name of the figure above?
a.
trapezoid
b.
kite
c.
trapezium
d.
rhombus
 

 5. 
mc005-1.jpg
The figure above is a rhombus.  If mc005-2.jpg = 4x - 7 and mc005-3.jpg = x + 2 what is the length of one side?
a.
3
b.
5
c.
7
d.
9
 



 
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