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Mastering Angle Measurement with Protractor Guide

Learn how to measure angles accurately using a protractor. Follow simple steps to place the protractor correctly, read the scale, and classify angles as acute, right, obtuse, or straight. Practice measuring various angles with ease.

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Mastering Angle Measurement with Protractor Guide

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  1. Measuring Angles

  2. You can use a protractor to measure angles.

  3. STEP 1: Place the center of the protractor on the vertex of the angle with the straightedge along one side. Vertex Marker

  4. STEP 1: Place the center of the protractor on the vertex of the angle with the straightedge along one side. Vertex

  5. STEP 2: Use the scale that begins with 0° on the side of the angle. Read the angle measure where the other side crosses the same scale. Extend the sides, if needed. 20°

  6. Classify the angle as acute, right obtuse, or straight. Find the measure of the angle. Obtuse angles- measures between 90° and 180° 140°

  7. Classify the angle as acute, right obtuse, or straight. Find the measure of the angle. Obtuse angles- measures between 90° and 180° 119°

  8. Classify the angle as acute, right obtuse, or straight. Find the measure of the angle. Acute angles- measures between 0° and 90° 57°

  9. Classify the angle as acute, right obtuse, or straight. Find the measure of the angle. Obtuse angles- measures between 90° and 180° 158°

  10. Find the measure of UVT. U 59° T S V

  11. Find the measure of SVU. U 121° 59° T S V

  12. Find the measure of LNP. 60° L P O M N

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