8th Grade Angle Relationships and Triangles

Angle 3 and Angle 6 are examples of which type of angle pair?

• Alternate exterior angles

• Alternate interior angles

• Vertical angles

• Corresponding angles

Tags

CCSS.8.G.A.5

Angle 1 and Angle 5 are examples of which type of angle pair?

• Alternate exterior angles

• Alternate interior angles

• Vertical angles

• Corresponding angles

Tags

CCSS.8.G.A.5

Angle 6 and Angle 7 are examples of which type of angle pair?

• Alternate exterior angles

• Alternate interior angles

• Vertical angles

• Corresponding angles

Tags

CCSS.8.G.A.5

Which of the following angles would NOT be congruent to the measure of  $\angle7$ ?

•  $\angle2$  

•  $\angle3$  

•  $\angle6$  

•  $\angle8$  

Tags

CCSS.8.G.A.5

If the  $m\angle5\ =\ 63\degree,$  find the measure of  $\angle3.$  

•  $63\degree$  

•  $117\degree$  

•  $180\degree$  

• Cannot be determined

Tags

CCSS.8.G.A.5

If the  $m\angle1\ =\ 57\degree,$  find the measure of  $\angle6.$  

•  $123\degree$  

•  $57\degree$  

•  $180\degree$  

• Cannot be determined

Tags

CCSS.8.G.A.5

Find the value of x if the  $m\angle1\ =\ 11x\ -\ 9\degree$ and the  $m\angle5\ =\ 7x\ +9\degree$ .

• -4.5

• 4.5

• 1

• 0

Tags

CCSS.8.G.A.5

Find the value of x if the  $m\angle3\ =\ -4x+5\degree$ and the  $m\angle5\ =\ -13x+39\degree$ .

• -3.8

• 3.8

• -8

• 8

Tags

CCSS.8.G.A.5

Find the value of x if the  $m\angle1\ =\ 12x+19\degree$ and the  $m\angle2\ =\ 22x-9\degree$ .

• -2.8

• 2.8

• -5

• 5

Tags

CCSS.8.G.A.5

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

Tags

CCSS.8.G.A.5