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angles

Vocabulary. An angle has two sides and a vertex.The sides of the angles are rays. The rays share a common endpoint (the vertex)Angles are measured in units called degrees.. Types of Angles. When lines intersect to form right angles, then they are classified as perpendicular lines.. Measuring Angles.

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angles

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    1. Angles Lesson 8-2

    3. Types of Angles

    4. Measuring Angles Place the center point of the protractor on the vertex of the angle and turn the protractor so that one side lines up with 0 on the inner scale.

    5. Measuring Angles (strategy 2) Place the center point of the protractor on the vertex of the angle. Note where both rays cross the protractor. Subtract the two numbers (from the same scale)

    6. Homework Time

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