Triangle Sum Theorem

The triangle sum theorem states that the sum of all angles in a triangle is

• $40\degree$

• $90\degree$

• $180\degree$

• $50\degree$

Tags

CCSS.8.G.A.5

Find x.

• 115 $\degree$

• 65 $\degree$

• 36 $\degree$

• 245 $\degree$

Tags

CCSS.8.G.A.5

What is the missing angle?

• 120^o

• 90^o

• 65^o

• 40^o

Tags

CCSS.8.G.A.5

Two interior angles of a triangle measure  $56\degree$  and  $37\degree$ . What is the third interior angle of the triangle? 

•  $267\degree$  
  

•  $145\degree$  
  

•  $93\degree$  
  

•  $87\degree$  
  

Tags

CCSS.8.G.A.5

Two interior angles of a triangle measure 34 degrees and 38 degrees. What is the third interior angle of the triangle?

• 108^o

• 72^o

• 2^o

• 23^o

Tags

CCSS.8.G.A.5

Find the missing angle.

• 39^o

• 87^o

• 42^o

• 36^o

Tags

CCSS.8.G.A.5

Find the missing angle.

• 130^o

• 30^o

• 45^o

• 90^o

Tags

CCSS.8.G.A.5

Find x.

• 75

• 45

• 63

• 85

Tags

CCSS.8.G.A.5

Find x.

• 75

• 45

• 15

• 30

Tags

CCSS.8.G.A.5

Find x.

• 60

• 90

• 50

• 180

Tags

CCSS.8.G.A.5