4.1/4.2 Angles in Triangles/Congruent Triangles

Use the Exterior Angle Theorem to find the value of x.

• 117

• 94

• 149

• 31

Tags

CCSS.8.G.A.5

Find the value of x.

• x = 27

• x = 53

• x = 49

• x = -16

Tags

CCSS.8.G.A.5

Find the measure of  $\angle\ B$  

• 30

• 45

• 60

• 90

Tags

CCSS.7.G.B.5

Given the two triangles, which statement is true by CPCTC?

•  $\angle ACB\ \cong\ \angle\ DFE$  

•  $\angle\ BAC\ \cong\ \angle\ FDE$  

•  $\angle CAB\ \cong\angle FED$  

•  $\angle ABC\ \cong\ \angle\ DEF$  

Use the Third Angles Theorem to find the value of x.

• x = 60

• x = 55

• x = 15

• x = 65

Solve for x.

• x = 10

• x = 4

• x = 5

• x = 39

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32
• 39
• 45
• 54

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

A triangle has one angle that measures 75° and one angle that measures 19°. What is the measure of the third angle?

• 86°

• 94°

• 105°

• 161°

Tags

CCSS.8.G.A.5