Triangle Sum Theorem

If two 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

Find the measure of angle x.

• 138
• 96
• 93
• 87

Tags

CCSS.8.G.A.5

Solve for x.

• 5
• 12
• -7
• -6

Tags

CCSS.8.G.A.5

Solve for x.

• 7
• 9
• -11
• -6

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

TEKS.MATH.7.11C

Which of the following terms best describes Angle d? (remember that it's outside)

• Remote interior angle
• Corresponding angle
• Exterior angle
• Interior angle

Tags

CCSS.8.G.A.5

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Tags

CCSS.8.G.A.5

Find the value of x by using the exterior angle theorem.

• A
• B
• C
• D

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