U4 Review

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

The Triangle Exterior Angle Theorem states that the exterior angle of a triangle is ______.

• the sum of its two remote interior angles

• the sum of ANY two angles in the triangle

Find the measure of the missing angle. (What is ?)

• 70

• 23

• 120

• 130

Find the measure of the missing angle. (What is ?)

• 51°

• 37°

• 167°

• 41°

Find the measure of the missing angle. (What is ?)

• 49

• 58

• 70

• 94

Find the measure of the exterior angle

• $130\degree$

• $90\degree$

• $50\degree$

• $180\degree$

Find the measure of the exterior angle.

•  $157\degree$ 

• $90\degree$

•  $23\degree$ 

•  $113\degree$ 

Find the measure of the exterior angle.

• $117\degree$

• $90\degree$

• $63\degree$

• $113\degree$

Find the measure of the missing angle. (What is ?)

• 60

• 120

• 40

• 65

Find the values of x and y.

• $x=63$ , $y=89$

• $x=89$ , $y=63$

• $x=35$ , $y=63$

• $x=89$ , $y=70$