Classify each one of the following angles as right, straight, acute, obtuse or reflex

Explanation

To classify each of the given angles as right, straight, acute, obtuse, or reflex, we will follow these steps:

### Step-by-Step Solution:

1. **Understand the Definitions of Angles**:
- **Right Angle**: An angle that measures exactly 90 degrees.
- **Straight Angle**: An angle that measures exactly 180 degrees.
- **Acute Angle**: An angle that measures less than 90 degrees.
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