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WorksheetsPolygon Angle Measures
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
Supplementary angles always add up to
(a)
2.
Complementary angles always add up to
(a)
3.
Which angles are vertical angles?
a)
∠8 & ∠7
b)
∠8 & ∠6
c)
∠8 & ∠5
4.
If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have?
a)
7
b)
9
c)
10
d)
12
5.
What is the value of x?
a)
26.25
b)
38.75
c)
24
d)
25.125
6.
Look at this convex polygon.How many triangles are formed by drawing all the diagonals from a single vertex?
a)
2
b)
3
c)
4
d)
1
7.
Find the value of x
a)
87°
b)
54°
c)
101°
d)
92°
8.
Find the value of x
a)
141
b)
150
c)
135
d)
163
9.
Find the value of one angle measurein a pentagon
a)
108
b)
60
c)
120
d)
135
10.
What is the sum of the exterior angles of a decagon
a)
1440
b)
360
c)
540
d)
720
11.
Find the sum of the interior angles in a 15-gon
a)
2000
b)
2340
c)
1875
d)
1080
12.
What is the measure of each exterior angle for the following heptagon?
a)
360
b)
900
c)
51.429
d)
128.571
13.
Math is my favorite subject!! :)
a)
True
b)
False
14.
What is the measure of each interior angle of an octagon?
a)
135
b)
1080
c)
360
d)
45
15.
Solve for x. Use (n-2)180 to determine what to set the equation equal to.
a)
120
b)
60
c)
150
d)
180
16.
Determine the measure of the indicated angle.
a)
127°
b)
53°
17.
Determine the measure of the indicated angle.
a)
92°
b)
94°
c)
42°
d)
47°
18.
Find the value of x.
a)
74
b)
42
c)
180
d)
222
19.
What is the value for x in the triangle?
a)
35 degrees
b)
70 degrees
c)
25 degrees
d)
45 degrees
20.
Solve for the missing angle with the question mark.
a)
A
b)
B
c)
C
d)
D
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