Finding Unknown Angles Measure

What are complementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect.

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

What is the measurement of a right angle?

• 70
• 80
• 90
• 180

What do all of the angles of a triangle add up to?

• x = 118
• x = 108
• x = 28
• x = 58

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

∠7 and ∠TPU are _______________

• Complementary and Adjacent

• Supplementary and Adjacent

• Adjacent

• Vertical

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

What angle is adjacent and supplementary to angle 5?

• ∠4

• ∠1

• ∠3

• ∠2