Exterior Angle Theorem and Triangle Sum

Find the measure of the indicated angle. 

• 34

• 46

• 62

• 36

Tags

CCSS.8.G.A.5

What is angle 2

• 78

• 79

• 80

• 81

Tags

CCSS.8.G.A.5

What is angle 3

• 58

• 59

• 60

• 61

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle.

Tags

CCSS.7.G.B.5

Find the measure of the indicated angle.

Tags

CCSS.8.G.A.5

Which equation would solve for x?

• x + 51 + 47 = 180

• x = 51 - 47

• x = 51 + 47

• x + 57 + 47 = 18

Tags

CCSS.8.G.A.5

What is the value of x?

Tags

CCSS.8.G.A.5

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

Tags

CCSS.8.G.A.5

Find the value of x by using the exterior angle theorem.

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

Solve for x.

• 13

• 8

• 11

• 4

Tags

CCSS.8.G.A.5