Name: 
 

Quiz 6.1-6.2



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

 1. 

A circular sinkhole has a radius of 18 meters. A week later, it has a diameter of 72 meters. How much greater is the circumference of the sinkhole compared to the previous week?
a.
169.56 m
c.
124.14 m
b.
395.64 m
d.
113.04 m
 
 
Find the perimeter.
 

 2. 


mc002-1.jpg
a.
about 28.26 ft
c.
about 14.13 ft
b.
about 7.07 ft
d.
about 23.13 ft
 

 3. 


mc003-1.jpg
a.
about 132 cm
c.
about 174 cm
b.
about 108 cm
d.
about 66 cm
 
 
Find the perimeter.
 

 4. 


mc004-1.jpg
a.
369 m
c.
90 m
b.
99 m
d.
45 m
 

 5. 


mc005-1.jpg
a.
40 in.
c.
77 in.
b.
63 in.
d.
55 in.
 

 6. 


mc006-1.jpg
a.
60.9 cm
c.
83.1 cm
b.
69 cm
d.
70.11 cm
 

 7. 


mc007-1.jpg
a.
113.23 in.
c.
78 in.
b.
72.41 in.
d.
73.51 in.
 

 8. 


mc008-1.jpg
a.
320.28 ft
c.
293.3 ft
b.
319.28 ft
d.
234 ft
 

Numeric Response
 
 
Find the diameter.
 

 1. 


nr001-1.jpg

 
 
Find the circumference. Use 3.14 or nar003-1.jpg for nar003-2.jpg.
 

 2. 


nr002-1.jpg

 

 3. 


nr003-1.jpg

 

Short Answer
 
 
Find the circumferences of both circles.
 

 1. 


sa001-1.jpg
 
 
Each square on the grid paper is 1 square inch.  Estimate the perimeter of the figure.
 

 2. 


sa002-1.jpg
 



 
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