Geometry

Question Analysis

This question is about classifying an angle based on its given measurement.

Key Concept Explanation:

Acute angles are less than 90°.

Right angles are exactly 90°.

Obtuse angles are greater than 90° but less than 180°.

Straight angles are exactly 180°.

Step - by - Step Solution

1. The given angle has a measurement of 124°.

2. Compare this value to the definitions of different angle types. Since 90° < 124° < 180°, it is an obtuse angle.

Common Mistakes

Confusing the definitions of different angle types, for example, thinking an angle greater than 90° is a straight angle.

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