Mastery Check Review (Angles and Triangles)

Two angles added together to produce 90 degrees

• Supplementary
• Complementary
• Right
• Vertical

Find the missing angle.

• 60
• 70
• 50
• 140

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

• x = 118
• x = 108
• x = 28
• x = 58

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

Find the value of x.

• 15

• 16

• 18

• 19

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25

• Complementary; x=5

• Supplementary; x=25

• Supplementary; x=5

What angle pair is pictured?

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

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

What are adjacent angles?

• Angles that are across from each other
• Angles that add to 180
• Angles that add to 90
• Angles that are next to each other