Triangle Angle Theorems

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

• 45°
• 90°
• 180°
• 360°

Tags

CCSS.8.G.A.5

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

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

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43
• 58
• 72
• 101

Tags

CCSS.8.G.A.5

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.8.G.A.5

Find the measure of angle A.

• 75^o

• 60^o

• 30^o

• 38^o

Tags

CCSS.8.G.A.5

What is the measure of angle A?

• 44^o

• 96^o

• -14^o

• 63^o

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 34
• 46
• 62
• 36

Tags

CCSS.8.G.A.5

Which of the following terms best describes Angle d?

• Remote interior angle
• Corresponding angle
• Exterior angle
• Interior angle

Tags

CCSS.8.G.A.5

Find the indicated angle measure. (What is ?)

• 51°

• 37°

• 167°

• 41°

Tags

CCSS.8.G.A.5