Angles

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 is an example of a pair of complementary angles?

• 13° and 45°
• 10° and 170°
• 81° and 9°
• 90° and 3°

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 kind of angles are shown?

• complementary
• supplementary
• right

• corresponding

• x = 118
• x = 108
• x = 28
• x = 58

If ∠H and ∠J are complementary, and the measure of ∠H is 35°, what is the measure of ∠J?

• 145
• 55
• 60
• 65

• x = 56
• x = 66
• x = 156
• x = 166

Name the vertical angle to
∠h.

• ∠f
• ∠i
• ∠g
• ∠j

What angle pair is pictured?

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

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o