Chapter 17 Word Scramble
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vocabulary | definitions |
Point | An exact location on a line, a plane or in space |
Line | a straight path that continues without end in both directions |
Line Segment | a part of a line that has two endpoints and all the points between them |
Ray | Part of a line that has one endpoint and continues without end in one direction |
Plane | A flat surface of points that continues without end in all directions |
Angle | Two rays with the same endpoint |
Vertex | The point at which two rays meet to form an angle |
Protractor | A tool for measuring the size of an angle |
Degrees (°) | The unit used for measuring the size of an angle |
Right Angle | An angle that measures 90° |
Acute Angle | An angle that measures greater than 0° and less than 90° |
Obtuse Angle | An angle that measures more than 90° and less than 180° |
Straight Angle | An angle that measures 180° |
Intersecting Lines | Lines that cross each other to form 4 angles |
Parallel Line | Lines in a plane that never intersect and are always equal distance apart |
Perpendicular Lines | Lines that intersect to form 4 right angles |
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Central 4th Math
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