Angle Relationships in a Triangle

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

Tags

CCSS.7.G.B.5

Match the following angle relationships to their definitions.

• Two angles whose sum is 180 degrees

• Complementary Angles

• Two angles that share a common side and have the same vertex.

• Adjacent Angles

• Two angles whose sum is 90 degrees

• Supplementary Angles

• Equal and opposite angles that share a vertex in the center

• Vertical Angles

Tags

CCSS.7.G.B.5

Which angles are vertical angles?

• $\angle8\ \ and\ \angle7$

• $\angle8\ and\ \angle6$

• $\angle8\ and\ \angle5$

Tags

CCSS.7.G.B.5

Which angle is a vertical angle to with $\angle7$  ?

•  $\angle1$  

•  $\angle5$  

•  $\angle3$  

•  $\angle6$  

•  $\angle9$  

Tags

CCSS.7.G.B.5

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

Tags

CCSS.7.G.B.5

Match the following

• Complementary Angles

• 
• Supplementary Angles

• 
• Linear Pair

• 
• Vertical Angles

• 
• Adjacent Angles

• 

Tags

CCSS.7.G.B.5

Find the value of x.

• 15
• 16
• 18
• 19

Tags

CCSS.7.G.B.5

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

Which type of triangle is pictured?

• Equilateral Triangle
• Right Isosceles Triangle
• Obtuse Scalene Triangle
• Obtuse Equilateral Triangle

Tags

CCSS.4.G.A.2

Find the missing angle TSR.

• A

• B

• C

• D

Tags

CCSS.8.G.A.5