Geometry Terms LT 1
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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| Vertical Angles | Angles across from each other that are formed by two intersecting lines
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| Linear Pair | Adjacent, supplementary angles
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| Adjacent Angles | Angles that share a common side and vertex; angles next to each other
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| Right Angle | This angle measures 90 degrees
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| Acute Angle | The angle measures less than 90 degrees
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| Obtuse Angle | This angle measures more than 90 degrees and less than 180 degrees.
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| Straight Angle | This angle measures 180 degrees
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| Congruent Angles | Any pair of angles that have the same measure
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| Collinear Points | points that lie on the same line
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| Coplanar | Points (at least 3) and lines in the same plane
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| Point | a location in space
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| Plane | a flat surface that has no thickness
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| Line | Determined by 2 points. A series of points extending in opposite directions without end.
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| Segment | Part of a line consisting of two endpoint sand all the points between them.
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| Ray | The part of a line consisting of one endpoint and all the points on one side of the endpoint.
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| Opposite Rays | Two collinear rays with the same endpoint, form a straight angle.
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| Angle | Formed by two rays with the same endpoint. Named by three vertices.
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| Parallel Lines | Coplanar lines that do nto intersect, have the same slope.
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| Perpendicular Lines | Two lines that intersect at a right angle.
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| Skew Lines | Noncoplanar lines that do not intersect.
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| Intersecting Lines | Two lines meet at a point.
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| Complementary Angles | Two angles whose measures add up to 90 degrees
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| Supplementary Angles | Two angles whose measures add up to 180 degrees
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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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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.
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:
kanderson@qcsd.org
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