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To use a protractor, follow these steps:
1. Place the center of the protractor on the vertex of the angle you want to measure.
2. Align one side of the angle with the baseline of the protractor.
3. Read the measurement where the other side of the angle intersects with the protractor scale.
4. Make sure to read the correct unit of measurement (degrees or radians) based on the protractor you are using.
If you need further assistance or clarification, feel free to ask!
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文章版权声明：除非注明，否则均为技巧网原创文章，转载或复制请以超链接形式并注明出处。
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