Plane Figures
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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| Right Angle | An angle that measures 90°
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| Acute Angle | An angle that measures greater than 0° and less than 90°
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| Obtuse Angle | An angle that measures more than 90° and less than 180°
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| Polygon | A closed plane figure with straight sides
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| Triangle | A polygon with 3 sides
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| Quadrilateral | A polygon with 4 sides
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| Pentagon | A polygon with 5 sides
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| Hexagon | A polygon with 6 sides
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| Octagon | A polygon with 8 sides
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| Regular Polygon | A polygon in which all sides are equal length and angles have equal measure
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| Equilateral Triangle | A triangle with 3 equal sides
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| Isosceles Triangle | A triangle with 2 equal sides
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| Scalene Triangle | A triangle with no equal side
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| Trapezoid | A quadrilateral with exactly one pair of parallel sides
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| Venn Diagram | A diagram that shows relationships among sets of things
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| Circle | A closed plane figure made of points that are same distance from the center
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| Center | The point inside the circle that is the same distance from each point of the circle
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| Chord | A line segment that has its endpoints on the circle
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| Diameter | A chord that passes through the center of the circle
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| Radius | A line segment with one endpoint at the center of the circle and the other endpoint on the circle
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| Compass | A tool used to construct circles
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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 4th Math
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