Angle Sum of a Triangle and Exterior Angles

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

Which of the following is NOT true about the angle measures?

• 1 + 2 + 3 = 180

• 4 + 5 + 6 = 360

• 1 + 3 = 4

• 1 + 2 = 6

Tags

CCSS.8.G.A.5

Which of the following terms best describes Angle d? 

• Remote interior angle

• Corresponding angle

• Exterior angle

• Interior angle

Tags

CCSS.8.G.A.5

What is the measure of x?

• 122

• 60

• 62

• cannot be determined

Tags

CCSS.8.G.A.5

• A) 60°

• B) 80°

• C) 90°

• D) 100°

Tags

CCSS.7.G.B.5

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32

• 39

• 45

• 54

Tags

CCSS.8.G.A.5

What do the angles in an equilateral triangle measure?

• 30, 60, 90

• 45, 45, 90

• 60, 60, 60

• 35, 55, 90

Tags

CCSS.8.G.A.5

What is an exterior angle?

• A pair of angles on the inner side of two lines cut by a transversal, but on opposite sides of the transversal

• The angles opposite of each other when two lines cross

• The angles inside of a shape

• The Exterior Angle is the angle formed by extending a line along one side of the triangle, and it’s on the outside of the shape

Tags

CCSS.8.G.A.5

Find <S

• A

• B

• C

• D

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