Missing Angles in a Triangle Using Angle Relationships

Find the missing angle using the Triangle Sum Theorem.

• 25 degrees

• 137 degrees

• 43 degrees

• 34 degrees

Tags

CCSS.8.G.A.5

Find the measure of x in degrees.

• 21

• 132

• 153

• 27

Tags

CCSS.7.G.B.5

Find the measure of x in degrees using the Exterior Angle Theorem.

• 40

• 54

• 60

• 42

Tags

CCSS.8.G.A.5

Find the exterior angle, using the Exterior Angle Theorem. What is the measure of "?".

• A

• B

• C

• D

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

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

Which of the following angles are remote interior angles to angle d?

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Tags

CCSS.7.G.B.5

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

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