Geometry vocab 5
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 | straight, continues in both directions, does not end
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| point | exact position or location
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| ray | straight, part of a line, one endpoint and continues in one direction
exact position or location
straight, part of a line, has two endpoints
straight, part of a line, one endpoint and continues in one direction
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| line segment | straight, part of a line, has two endpoints
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| angle | formed by two rays or line segments that share an endpoint
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| vertex | endpoint of an angle where the two line segments or rays meet
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| protractor | tool used to measure angles
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| degree | amount measuring an angle
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| right angle | measures 90˚, a square corner
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| acute angle | measures less than a right angle, a “cute”
angle
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| obtuse angle | measures more than a right angle, a “big” angle
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| straight angle | a line measuring 180˚
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| complementary angles | 2 angles in which their sum is 90°
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| supplementary angles | 2 angles in which their sum is 180°
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| intersecting lines | lines that cross at one endpoint forming angles
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| perpendicular lines | intersecting lines that cross to form right angles
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| parallel lines | lines that never cross, do not form angles, always the same distance apart
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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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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:
crstone
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