Interior Angles
Exterior Angles
Triangles
Algebra Problems
Mixed Challenge
100
The sum of the interior angles of a triangle is...
180
100
The sum of the exterior angles on any polygon is...
Bonus 100 points for specifying which types of polygons the exterior angles sum applies to
360 degrees, only applies to convex polygons
100
Find the missing interior angle.
26 degrees
100
1 + 1 + 2 +12 + 35 x 2
1,120
100
What is the measure of one interior angle of a regular pentagon?
108 degrees
200
The formula for the sum of the interior angles of a polygon with n sides is...
Bonus 200 pts for the formula of each interior angle using n for the number of sides
180(n-2), or 180n - 360
the above divided by n
200
The measure of the exterior angles of a regular hexagon is...
60 degrees
200
Find the measure of angle 2
72 degrees
200
Define complementary and supplementary angles
complementary sum to 90 degrees
Supplementary sum to 180 degrees
200
What is the measure of one exterior angle of a polygon with 360 sides?
1 degree
300
The interior angle sum of a 9-sided polygon, also called a nonagon or enneagon, is this number of degrees.
1260°
300
The sum of the exterior angles of a 36-gon is...
360 degrees
300
Find x.
x = 4
300
What is the measurement of one interior angle in an equilateral triangle?
60
300
How many sides does a nonagon have?
9
400
The sum of the interior angles of a polygon with 17 sides is...
2700
400
The measure of an exterior angle of a regular quadrilateral is...
90 degrees
400
Triangle ABC has angle A = (12x-4)°, and angle B = (18x+10)°. The exterior angle at C = (24x+18)°.
Find x.
x = 2
400
140 + 2(2x+1)= 284
35.5
400
I'm thinking of a regular polygon whose interior angles each measure 156 degrees. How many sides does the polygon have?
15 sides
500
The sum of the interior angles of a polygon with 1000 sides is...
179640 degrees
500
A regular polygon with an exterior angle measure of 18 degrees has how many sides?
20
500
in triangle ABC, angle A = 55, angle B = 90, what does angle C equal?
35
500
2,320 x 32
74,240
500
The ratio of the angles of a triangle is 2:3:5. In degrees, what is the measure of the largest angle.
90 degrees