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Geometry: Chapter 8 Quiz 1 Review
1)
Without using a protractor, find the sum of the interior angles of the 8-gon shown below.
Explain completely or show all work.
2)
Suppose you would like to draw a regular 72-gon.
a) What is the measure of each interior angle?
b) After you draw your 72-gon, if you measure all the exterior angles, and add all of them
together, what is the sum?
3)
Calculate the measure of one interior angle of a regular 13-gon. Show all work.
4)
If you know that one exterior angle of a regular polygon measures 24, how many sides
does the polygon have?
5)
Solve each for x. Show all work. Not drawn to scale!!
a)
b)
37
x
1x
2
3x
2
3x 
x
87
54
6) Calculate the area of each regular polygon. Show all work!
a)
b)
7 cm
C
6 cm