Angles in Triangles

Find the missing angle.

• 29° 
• 39° 
• 49° 
• 59° 

Tags

CCSS.7.G.B.5

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Tags

CCSS.8.G.A.5

If a right triangle has an angle that measures 43 degree what is the measure of the third angle?

• 43
• 47
• 45
• 90

Tags

CCSS.7.G.B.5

Classify this triangle by its angles

• Acute

• Equiangular

• Obtuse

• Right

Tags

CCSS.4.G.A.2

Classify this triangle by its angles

• Acute

• Equiangular

• Obtuse

• Right

Tags

CCSS.4.G.A.2

Classify this triangle by its angles

• Acute

• Equiangular

• Obtuse

• Right

Tags

CCSS.4.G.A.2

Find the missing angle. 

• 151
• 147
• 118
• 62

Tags

CCSS.8.G.A.5

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 angle indicated. 

• 139°
• 66°
• 138°
• 116°

Tags

CCSS.8.G.A.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.8.G.A.5