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- The union of 2 rays that have the same endpoint; measured in degrees or radians (trig.); the five types of angles are zero, acute, right, obtuse, and straight |
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- One of the lines that make a flat (2-dimensional) shape. - Or one of the surfaces that make a solid (3-dimensional) object. |
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- - The common endpoint of the two rays
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-To find a number that shows the size or amount of something. - Usually the number is in reference to some standard measurement, such as a meter or kilogram. |
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- An angle which is equal to 90°, one quarter of a full revolution. |
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- An obtuse angle is more than 90° but less than 180° - In other words, it is between a right angle and a straight angle. |
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Complementary Angles
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- Two Angles that add up to 90 degrees (a Right Angle). They don't have to be next to each other, just so long as the total is 90 degrees. |
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Supplementary Angles
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-Two Angles are Supplementary if they add up to 180 degrees. - They don't have to be together to be supplementary, just so long as the total is 180 degrees. |
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