One Many or None Triangles

Find the measure of the indicated angle. 

• 89

• 211

• 119

• 81

Solve for x. 

• A

• B

• C

• D

What do the interior angles in a triangle have a sum of?

• 180

• 90

• 360

• 270

Find the measure of the missing angle.

• 30^o

• 110^o

• 150^o

• 40^o

Find the missing angle.

• 29° 

• 39° 

• 49° 

• 59° 

Find the measure of angle A.

• 44^o

• 96^o

• -14^o

• 63^o

Find the measure of the indicated angle. 

• 145

• 113

• 102

• 78

How many corresponding angles of a triangle do I have to know are the same measure to determine if two triangles are similar or not?

• I only need to know one angle.

• I only need to know two angles.

• I need to know all angles.

• I need to know the angles and the sides. 

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Are the triangles similar?

• Yes

• No