UNIT 9: L2-ANGLE RELATIONSHIPS

If ∠COB is 124°, then what is ∠BOD? How are they related?

• 56°, they are supplementary

• 90°, they are complementary

• 124°, they are vertical

_{What is the measure of the angle?}

• 110 degrees. 
• 140 degrees.
• 150 degrees.
• 170 degrees. 

Tags

CCSS.4.MD.C.6

How are these angles related?

• Vertrical
• Complementary 
• Adjacent
• Supplementary 

Tags

CCSS.7.G.B.5

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Tags

CCSS.7.G.B.5

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

Tags

CCSS.7.G.B.5

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Tags

CCSS.7.G.B.5

Solve for x

• 20
• 25
• 120
• 180

Tags

CCSS.7.G.B.5

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 the complement angle to 12°?

• 78°
• 68°
• 168°
• 90°

Do complementary angles have to be adjacent to each other?

• No
• Yes