Triangle Angle Sum Theorem

Which sets of measurements could be the interior angles of a triangle? Select EACH correct answer.

• 15°, 15°, 150°

• 10°, 90°, 100°

• 30°, 30°, 115°

• 10°, 80°, 90°

• 60°, 60°, 60°

Tags

CCSS.7.G.A.2

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Tags

CCSS.7.G.B.5

If all three angles are exactly the same measure, how big is each angle?
Hint:    x + x + x  = 180

• 180 degrees
• 90 degrees
• 50 degrees
• 60 degrees

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.7.G.B.5

Solve for x.

• 7
• 9
• -11
• -8

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5

Solve for x.

• 6
• -10
• 7
• -9

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5

Find the missing angle.

• $147\degree$

• $30\degree$

• $33\degree$

• $81\degree$

Tags

CCSS.7.G.B.5

What is the measure of a third angle in a triangle when the first two angles measure

 $34\degree\ and\ 101\degree$  ?

•  $32\degree$  

•  $45\degree$  

•  $54\degree$  

•  $39\degree$  

Tags

CCSS.7.G.B.5

Find the measure of the indicated angle. 

• 34
• 46
• 62
• 36

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5