Angle Sum and Exterior Angle

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

The remote interior angles of a triangle are 6y - 4 and 6y. The exterior angle is 128. What is the value of y?

• y = 11

• y = -11

• y = 66

• y = 62

Tags

CCSS.8.G.A.5

What is the measure of angle A in the triangle?

• 116*

• 25*

• 62*

• 54*

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

Solve for x.

• -11

• 9

• -9

• 10

Tags

CCSS.7.G.B.5

Find the measure of the indicated angle. 

• 145 degrees

• 24 degrees

• 20 degrees 

• 21 degrees

Tags

CCSS.7.G.B.5

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

Tags

CCSS.8.G.A.5

Solve for x.

• 13

• 3

• 1

• 4

Tags

CCSS.8.G.A.5

The Exterior Angle Theorem states that...

• < 4

• 90

• < 3

• 180

Tags

CCSS.8.G.A.5

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43

• 58

• 72

• 101

Tags

CCSS.8.G.A.5