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Angles
by Shelby Say
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Angles

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Adjacent Angles

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share same ray

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Semicircle

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180 degrees

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supplementary

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Right Angle

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2 rays are perpendicular

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complementary

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90 degrees

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2 line segments

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all angles are supplementary and adjacent

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only 2 adjacent/ supplementary angles equal 180 degrees

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vertical angles

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Measuring

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one side on 0 degrees line

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other line determines angle measurement

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vertex is at the center of the protractor

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