Angles in Triangles

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Solve for x.

• 16

• 11

• 50

• 6

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

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

• 80

• 100

• 60

• 90

Find the measure of angle ACB

• 21 degrees

• 122 degrees

• 159 degrees

• 58 degrees

• 100^o

• 129^o

• 150^o

• 120^o

Use the diagram to match the following statements.

• Alternate interior angles

• Angle Addition Postulate.

• Triangle Sum Theorem

• As marked in diagram.

Find the measure of the indicated angle. 

• 8

• 70

• 54

• 56

Find the measure of angle A.

• 75^o

• 60^o

• 30^o

• 38^o

• 15

• 82

• 89

• 180

• 18

• 90

• 132