Lines, Rays, and Angles
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Point | An exact location on a line, a plane or in space
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| Line | a straight path that continues without end in both directions
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| Line Segment | a part of a line that has two endpoints and all the points between them
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| Ray | Part of a line that has one endpoint and continues without end in one direction
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| Plane | A flat surface of points that continues without end in all directions
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| Angle | Two rays with the same endpoint
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| Vertex | The point at which two rays meet to form an angle
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| Protractor | A tool for measuring the size of an angle
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| Degrees (°) | The unit used for measuring the size of an angle
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| Right Angle | An angle that measures 90°
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| Acute Angle | An angle that measures greater than 0° and less than 90°
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| Obtuse Angle | An angle that measures more than 90° and less than 180°
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| Straight Angle | An angle that measures 180°
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| Intersecting Lines | Lines that cross each other to form 4 angles
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| Parallel Line | Lines in a plane that never intersect and are always equal distance apart
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| Perpendicular Lines | Lines that intersect to form 4 right angles
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Central 4th Math
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