Triangle angle measures, side lengths, and opposite side/angle

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 45, 45, 90
• 60, 60, 60
• 35, 55, 90

Tags

CCSS.8.G.A.5

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

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated. 

• 50°
• 35°
• 100°
• 55°

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated. 

• 40°
• 33°
• 30°
• 29°

Tags

CCSS.7.G.B.5

Solve for x.

• 16
• 11
• 50
• 6

• x = 7
• x = 8
• x = 6
• x = 9

Find the missing angle.

• 75
• 85
• 100
• 45

Find the missing angle.

• 30
• 60
• 90
• 120

Solve for x.

• 5
• 12
• -7
• -6

Tags

CCSS.8.G.A.5