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4-2. Example 3. Lesson 4-2 Example 3. Measure and identify the angle. 1. Place the center of the protractor at the vertex. 2. 4-2. Example 3. Lesson 4-2 Example 3. Measure and identify the angle. 3. 4-2. Example 3. Lesson 4-2 Example 3. Measure and identify the angle.
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