Missing Angles
Exterior Angles
Regular Polygons
Surprise
100


x=168 degrees

100


x = 58

100

What is the sum of the interior angles of an octagon?

1080 degrees

100

What does the square in angle D and A mean?

90 degrees

200


x=163

200


x=49 degrees

y=131 degrees

w= 102 degrees

z= 121 degrees

200

What is the sum of the interior angles of a heptagon?

720 degrees

200

What should you always do after you find a missing angle to make sure you are correct?

Add up all the angles and make sure they equal the sum of interior angles

300


h=92 degrees

300


x=50

300
What is the sum of the interior angles of a nonagon?

1260 degrees

300


b = 32 degrees

400


b = 135

400


h = 78

k = 108

400

What is the measure of one angle in a septagon (7 sides)?

128.6 degrees

400

                          What is the measure of angle 1, 2 and 3

1 = 107

2=107

3=73

500


x= 66.7

500


x=82


500

What is the degree measure of one angle in a regular decagon?

144 degrees

500

      Measure of angle s = 61 degrees

What does angle Q equal?

angle Q = 119