Question

what type of angle is this? a b c obtuse straight right acute

Explanation:

Step1: Recall angle - type definitions

An obtuse angle is greater than 90° and less than 180°. A straight angle measures 180°. A right angle measures 90°. An acute angle is less than 90°.

Step2: Analyze the given angle

The points A, B, and C form a straight - line. The angle formed by a straight - line is 180°, which is a straight angle.

Answer:

B. straight