Big Ideas Geometry

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

What is the measurement of the missing angle?

• 60
• 120
• 50

Solve for x

• 5
• 90
• 25
• 10

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

Solve for angle 2

• 65
• 60
• 110
• 115

Solve for x

• 20
• 25
• 120
• 180

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

• Complementary, 15
• Supplementary, 16
• Complementary, 18
• Supplementary, 19

These angles are ___________.

Angle 1= 62 degrees

Angle 2= 30 degrees

• Complementary

• Supplementary

• Neither

Are these angles complimentary or supplementary?

What is the value of y?

• Complimentary; y= 13

• Complimentary; y= 103

• Supplementary; y= 13

• Supplementary; y= 103

Which are pairs of adjacent angles?

• ∠COB & ∠DOA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOC