Geometry 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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| Angles less than 90 degrees | Acute angles
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| Angles greater than 90 degrees | Obtuse angles
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| Angles exactly 90 degrees | Right Angles
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| Angles exactly 180 degrees | Straight Angles
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| Line segment that joins two vertices of a polygon but is not a side of the polygon | Diagonal
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| Polygon with four sides and four angles | Quadrilaterals
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| Quadrilateral with exactly one pair of parallel sides | Trapezoid
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| Trapezoid with exactly one pair of parallel sides called bases | Isosceles trapezoid
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| Quadrilateral with opposite sides that are parallel and the same length | Parallelogram
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| Parallelogram with four right angles | Rectangle
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| Parallelogram with four equal sides | Rhombus
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| Rectangle with four equal sides | Square
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| Instrument used to measure angles | Protractor
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| Part of a line with one endpoint | Ray
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| Formed when two rays meet at a vertex | Angle
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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:
Promethean
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