Revision of into to geometry concepts in prep for Christmas tests
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 of intersection | Where 2 or more lines, line segments or rays meet or cross
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Collinear points | Points that lie on the same line
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Vertex | Point where 2 rays meet to form an angle
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Acute angle | Angle of less than 90 degrees
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Right angle | Angle of 90 degrees
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Obtuse angle | Angle greater than 90 but less than 180 degrees
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Straight angle | Angle of 180 degrees
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Reflex angle | Angle greater than 180 but less than 360 degrees
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Full angle | Angle of 360 degrees
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Null angle | Angle of 0 degrees
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Ordinary angle | Angle less than 180 degrees
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Supplementary angles | 2 angles that sum to 180 degrees
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Perpendicular lines | Lines that meet at right angles to each other
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Parallel lines | Lines that are equal distance apart and never meet
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Bisector | Line that cuts an angle into 2 equal parts
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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:
Ms McEntee
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