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5.1- Interior and Exterior Angle sums

Total questions: 27

Worksheet time: 2hrs 53mins

Name
Class
Date
1.
What is the SUM of the angle measures in a triangle (3 sides)?
a)
60°
b)
90°
c)
120°
d)
180°
2.
What is the sum of the interior angles for a      24-gon
a)
3960
b)
360
c)
15
d)
4280
3.
What is the SUM of the angle measures in a nonagon (9 sides)?
a)
1440°
b)
900°
c)
1080°
d)
1260°
4.
What is the name of a 12-sided polygon?
a)
Dodecahedron
b)
Polygon
c)
Decagon
d)
Dodecagon
5.
How do you find the sum of the exterior angles of a polygon?
a)
180(n-2)
b)
180
c)
(180(n-2))/n
d)
360
6.

Solve for x.

a)

80

b)

110

c)

17

d)

60

7.
Solve for x
a)
45
b)
12
c)
90
d)
2
8.
What is the sum of the exterior angles of a 20-gon?
a)
180
b)
360
c)
3240
d)
162
9.
The sum of 5 angles of a hexagon is 600o What is the measure of the 6th angle?
a)
90o
b)
120o
c)
100o
d)
60o
10.
What is the measure of ONE interior angle in a regular hexagon (6 sides)?
a)
60°
b)
80°
c)
108°
d)
120°
11.
What is the SUM of the angle measures in a nonagon (9 sides)?
a)
1440°
b)
900°
c)
1080°
d)
1260°
12.
What is the measure of ONE interior angle in a regular pentagon (5-sides)?
a)
90°
b)
108°
c)
120°
d)
180°
13.
What is the measure of ONE interior angle in a regular hexagon (6 sides)?
a)
60°
b)
80°
c)
108°
d)
120°
14.
Find the angle sum of the interior angles of the polygon.
a)
180° 
b)
540° 
c)
720° 
d)
1080° 
15.
Find the angle Find the angle sum of the interior angles of the polygon. of the polygon.
a)
720° 
b)
900° 
c)
1080° 
d)
1260° 
16.
What is the name of a 7 sided polygon?
a)
hexagon
b)
heptagon
c)
octagon
d)
nonagon
17.
Find the missing angle.
a)
75
b)
85
c)
100
d)
45
18.
Find the measure of the angle x.
a)
105
b)
115
c)
65
d)
75
19.
Find the value of X
a)
94
b)
25
c)
36
d)
180
20.

What is the measure of each interior angle of a Regular Polygon?

a)

S = (n-2)*180

b)

S = ((n-2)*180)/n

c)

S = (n-2)*360

d)

360/n

21.

What is the measure of ONE interior angle of a regular octagon?

a)

135

b)

180

c)

145

d)

190

22.

What is the measure of ONE interior angle of a regular 20-gon?

a)

90

b)

146

c)

162

d)

122

23.
What is the sum of exterior angles of a pentagon?
a)
180
b)
360
c)
540
d)
760
24.
What is the value of x?
a)
26.25
b)
38.75
c)
24
d)
25.125
25.

Solve for a.

a)

90°

b)

180°

c)

270°

d)

80°

26.

Solve for the missing variable.

a)

255°

b)

90°

c)

60°

d)

105°

27.

Solve for a.

a)

90°

b)

180°

c)

270°

d)

80°