Chapter 1 Vocabular
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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| A conclusion. | conjecture
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| An example for which the conjecture is incorrect. | counterexample
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| A location. | point
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| The set of all points. | space
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| A series of points that extends in two opposite directions without end. | line
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| Points that lie on the same line. | collinear points
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| A flat surface that has no thickness. | plane
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| Points and lines in the same plane. | coplanar
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| The part of a line consisting of two endpoints and all points between them. | segment
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| The part of a line consisting of one endpoint and all the point of the line on one side of the endpoint. | ray
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| Two collinear rays with the same endpoint. | opposite rays
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| Coplanar lines that do not intersect. | parallel lines
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| Lines that are not parallel and do not intersect. | skew lines
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| Planes that do not intersect. | parallel planes
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| Two segment with the same length. | congruent segments
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| a point that divides the segment into two congruent segments. | midpoint
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| Angles with the same measure. | congruent angles
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| An angle with the measure of 180 degrees. | straight angle
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| Two angles whose measures have the sum of 90. | complementary angles
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| Two angles whose measures have the sum of 180. | supplementary angles
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| Two angles whose sides are opposite rays. | vertical angles
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| Two coplanar angles with a common side, a common vertex, and no common interior points | adjacent angles
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| Two lines that intersect to form right angles. | perpendicular lines
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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.
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.
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:
nphilip4
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