Angle Relationships

• 100°
• 80°
• 90°
• 180°

• 100°
• 80°
• 90°
• 180°

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

_{These are Complementary angles. Find x.}

• 15
• 25
• 75
• 90

Find the value of x.

• 18°
• 28°
• 38°
• 118°

Find the value of x.

• 38°
• 52°
• 142°
• 152°

What is the value of x?

• 60
• 26
• 14
• 10

What angle pair is pictured?

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

If the measure of ∠2 is 83°, what is the measure of ∠3?

• 7°
• 17°
• 83°
• 97°