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3. Wrong Scale:
1. Mistake: Reading the wrong scale (inner vs. outer).
2. Fix: Use the correct scale based on the protractor’s alignment.
Drawing Angles
To measure ∠AOB using a protractor: To draw an angle with a specific degree measure, you can use
a protractor.
For example, to draw a 30° angle:
1. Draw a straight line, which will be one arm of the angle.
2. Place the center of the protractor on one end of the line.
3. Align the base of the protractor with the line.
