Triangle Theorem Practice

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

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

• 32
• 39
• 45
• 54

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated.

• 62
• 53
• 71
• 50

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle.

• 34

• 46

• 62

• 36

Tags

CCSS.8.G.A.5

If 2 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

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

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.8.G.A.5

A triangle has one angle that measure 45° and one that measures 60°. What is the measure of the third angle?

• 135°

• 75°

• 120°

• 105°

Tags

CCSS.8.G.A.5