Properties of Triangles

Find the measure of the missing angle.

• 30^o

• 110^o

• 150^o

• 40^o

Find the missing angle measure.

•  175°

• 75°

•  65°

•  110°

12 in, 15 in, 4 in. 

• yes

• no 

2 cm, 9 cm, 6 cm 

• yes 

• no

A drawing of a triangular park shows that the sides measure 12 m, 30 m, and 18 m. Can these dimensions be correct? 

• yes

• no 

What is the largest angle?

• J

• K

• L

What is the smallest angle?

• J

• K

• L

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

What combination of side lengths listed below cannot be used to create a triangle?

• 6 inches, 6 inches, 10 inches

• 1 cm, 2 cm, 3cm

• 2.5 ft, 2.0 ft, 4.4 ft

• 10 meters, 7.4 meters, 2.7 meters

What is the smallest side?

• LM

• MN

• LN