Sum Interior Angles of a Triangle

Find the measure of the missing angle.

• 8^o

• 58^o

• 122^o

• 64^o

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.

• -12

• -8

• -10

• -5

Tags

CCSS.8.G.A.5

Solve for x.

• 5

• 12

• -7

• -6

Tags

CCSS.8.G.A.5

What is the sum of the interior angles of any triangle?

Tags

CCSS.8.G.A.5

The interior angles of a triangle always add to what?

• 180 degrees

• 90 degrees

• 360 degrees

• 45 degrees

Tags

CCSS.8.G.A.5

The sum of the interior angles in a triangle is ...

• 360 degrees

• 180 degrees

• 90 degrees

• 540 degrees

Tags

CCSS.8.G.A.5

Solve for x.

• 63.2

• 116.8

• 135.7

• 45.3

Tags

TEKS.MATH.8.8D

Find the measure of the indicated angle. (remember that the sum of interior angles is equal to 180 degrees)

• 95

• 85

• 35

• 45

Tags

CCSS.8.G.A.5

• A) 80°

• B) 90°

• C) 180°

• D) 260°

Tags

CCSS.8.G.A.5