Vocabulary
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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line | a straight path extending infinitely in both directions
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point | an exact location in space
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line segment | a part of a line with two endpoints
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ray | a part of a line with one endpoint that continues in one direction
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angle | two rays with a common endpoint
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right angle | an angle that measures 90˚
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degree (˚) | a unit of measure for angles
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acute angle | an angle less than 90˚
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obtuse angle | an angle greater than 90˚ and less than 180˚
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intersecting lines | lines that cross and form angles
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perpendicular lines | lines that cross to form right angles
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parallel lines | lines that never cross
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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:
Central 3 Math
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