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WorksheetsInterior and exterior angles in a polygon. classifying Formula
Total questions: 17
Worksheet time: 33mins
Name
Class
Date
1.
What is the formula used to calculate the sum of the measures of the interior angles in any polygon?
a)
360
b)
(n+2)180
c)
(n - 2)180
d)
180n
2.
What is the name of a polygon with 10 sides.
a)
Dodecagon
b)
Decagon
c)
Octagon
d)
Heptagon
3.
What is the name of a polygon with 6 sides.
a)
Triangle
b)
Nonagon
c)
Quadrilateral
d)
Hexagon
4.
What is the name of a polygon with 5 sides.
a)
Pentagon
b)
Quadrilateral
c)
Nonagon
d)
Heptagon
5.
What is the SUM of the EXTERIOR angles of a hexagon?
a)
360
b)
120
c)
60
d)
720
6.
What is the sum of the angle measures in a triangle?
a)
60
b)
90
c)
180
d)
120
7.
How many sides does a quadrilateral have?
a)
3
b)
4
c)
5
d)
6
8.
Find the measure of the missing angle.
a)
145
b)
55
c)
35
d)
45
9.
Find the measure of the missing angle.
a)
140°
b)
21°
c)
105°
d)
25°
10.
A triangle's angles add up to...
a)
90 Degrees
b)
180 Degrees
c)
360 Degrees
d)
OVER 9000 Degrees
11.
Find the measure of the missing angle.
a)
90o
b)
100
c)
130o
d)
50o
12.
What do the angles in an equilateral triangle measure?
a)
30, 60, 90
b)
60, 60, 60
c)
45, 45, 90
d)
35, 55, 90
13.
What is the formula for the sum of the exterior?
a)
S=360
b)
S=(n-2)180
14.
What is the formula for finding ONE exterior angle of a polygon?
a)
S= 360
b)
S= 360/2
c)
S= 360/n
d)
S= 180
15.
What is the SUM of the INTERIOR angle measures in a hexagon (6 sides)?
a)
720°
b)
1080°
c)
600°
d)
540°
16.
Find the measure of one exterior angle in a regular octagon.
a)
45o
b)
135o
c)
180o
d)
1,080o
17.
If an interior angle in a regular polygon is 120o, how many sides does the polygon have?
a)
3 sides
b)
4 sides
c)
6 sides
d)
12 sides
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