Math Chapter 13-1, 13-2, 13-4
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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| Angle | has 2 sides that share a common endpoint that is called the vertex
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| Right Angle | exactly 90 degrees
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| Acute Angle | less than 90 degrees (0-89 degrees)
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| Obtuse Angle | more than 90 degrees (91-180 degrees)
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| Straight Angle | exactly 180 degrees
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| Reflex Angle | more than 180 degrees (181-360 degrees)
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| Complementary Angles | angles that add up to 90 degrees
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| Supplementary Angles | angles that add up to 180 degrees
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| Polygon | 3 or more sides, closed figure, 2 dimensional
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| Regular Polygon | all sides of the figure have the same length, all the angles inside the figure have the same measure
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| Triangle | 3 sides, 180 degrees
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| Quadrilateral | 4 sides, 360 degrees
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| Pentagon | 5 sides, 540 degrees
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| Hexagon | 6 sides, 720 degrees
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| Heptagon | 7 sides, 900 degrees
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| Octagon | 8 sides, 1,080 degrees
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| Scalene Triangle | no sides are the same length
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| Isosceles Triangle | 2 sides have the same length
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| Equilateral Triangle | all sides have the same length
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| Right Triangle | has one 90 degree angle
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| Obtuse Triangle | have one angle greater than 90 degrees
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| Acute Triangle | all angles are less than 90 degrees
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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:
Mills, Susan
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