An angle whose measure is greater than 0°, but less than 90°

A portion of a line that begins at a point and extends infinitely in one direction 

An angle whose measure is equal to 180°   

A unit of measure for angles.

Formed by two rays that share a common endpoint    

An angle whose measure is greater than 90°, but less than 180°   

The common endpoint of the two rays that form an angle

An angle whose measure is equal to 90°   

What could be the length of the missing side of the triangle? Select all that apply

Classify the following triangle by their angles and their sides.

Classify the following triangle by their angles and their sides.