Interior and Exterior Angles

The sum of the measures of the n interior angles of an n-gon is ____.

The sum of the measures of the exterior angles of a 25-gon is ___.

If the measure of one exterior angle of a regular polygon is 24^o, then the polygon has ___ sides.

Find each lettered angle measure:

d

e

f

g

72

78

144

540

32

108

36

What is the name of the relationship between these two angles?

• Same Side Interior Angles

• Corresponding Angles

• Alternate Interior Angles

• Same Side Exterior Angles

Tags

CCSS.8.G.A.5

Find the lettered angle measures:

f

h

i

d

b

a

135

63

40

63

45

112.5

50

67.5

67

Tags

CCSS.8.G.A.5

What is the value of x?

• 133

• 37.6

• 40

• 85

• 114

What is the measure of x?

• 14

• 156

• 95

• 109

Tags

CCSS.8.G.A.5

What is the measure of angle x?

• 70

• 160

• 135

• 20

Tags

CCSS.8.G.A.5

What is the value of x?

• 135

• 92

• 127

• 122