Naming Triangle Angles

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

What do the angles in an equilateral triangle measure?

• 30, 60, 90

• 45, 45, 90

• 60, 60, 60

• 35, 55, 90

Name the angle

• ∠D

• ∠f

• ∠FED

• ∠FDE

Name the angle.

• ∠LMK

• ∠KML

• ∠KLM

This angle is written as......

•  ∠ABC

•  ∠ACB

• ∠BCA

• ∠CAB

Classify this triangle by its angles.

• right

• equiangular

• acute

• obtuse

Classify this triangle by its sides and angles. 

• right isosceles

• obtuse scalene

• equilateral equiangular

• obtuse isosceles

Name the angles from SMALLEST to LARGEST

• Q, R, P

• P, Q, R

• R, P, Q

• R, Q, P

Name the angles from LARGEST to SMALLEST

• R, S, T

• S, T, R

• S, R, T

• T, S, R

The smallest angle would be located where in a triangle?

• Across from the smallest side.

• Across from the largest side

• Cannot tell