WorksheetsMGHS MAth (measure of interior angles of a polygon)
Total questions: 12
Worksheet time: 26mins
Name
Class
Date
1.
What is the SUM of the angle measures in a nonagon (9 sides)?
a)
1440°
b)
900°
c)
1080°
d)
1260°
2.
What is the SUM of the angle measures in a triangle (3 sides)?
a)
60°
b)
90°
c)
120°
d)
180°
3.
Find the measure of the missing angle
a)
50°
b)
35°
c)
100°
d)
55°
4.
Which formula represents how to find the interior angle sum of any polygon?
a)
(number of sides - 2) x 180
b)
(number of sides + 2) x 180
c)
number of sides x 180
d)
number of sides x 360
5.
Find the value of x.
a)
110
b)
90
c)
130
d)
120
6.
What is the sum of the interior angles of the nonagon shown?
a)
720°
b)
900°
c)
1080°
d)
1260°
7.
What is a regular polygon?
a)
all side lengths are the same length
b)
all angles are the same (equal in measure)
c)
only some side lengths are the same
d)
all side lengths are different
e)
only some angles are the same
8.
What is the sum of the interior angles for a 24-gon
a)
3960
b)
360
c)
15
d)
4280
9.
Is the figure a polygon? Is it convex or concave?
a)
Not a polygon, convex
b)
Polygon, convex
c)
Not a polygon
d)
Polygon, concave
10.
Find the value of X.
a)
100°
b)
110°
c)
150°
d)
168°
11.
Type your name.
4 lines
12.
Type your section
4 lines
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