Question

which angle pictured below is an obtuse angle? a 135° b 90° c 60° a. angle a b. angle b c. angle c

Explanation:

Step1: Recall angle - type definitions

An acute angle is less than 90°, a right - angle is equal to 90°, and an obtuse angle is greater than 90° and less than 180°.

Step2: Analyze each angle

Angle A is 135°, which is greater than 90° and less than 180°. Angle B is 90° (a right - angle). Angle C is 60° (an acute angle).

Answer:

A. Angle A