Question

angle
measures greater than 0° and less than 90°
angle
measures 90°
angle
measures greater than 90° and less than 180°
angle
measures 180°

Explanation:

Step1: Recall angle - type definitions

An acute angle measures greater than 0° and less than 90°.

Step2: Recall right - angle definition

A right angle measures 90°.

Step3: Recall obtuse - angle definition

An obtuse angle measures greater than 90° and less than 180°.

Step4: Recall straight - angle definition

A straight angle measures 180°.

Answer:

Acute, Right, Obtuse, Straight