Chapter 9
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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| Acute | An angle measuring between 0 and 90 degrees.
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| Right | An angle measuring exactly 90 degrees
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| Obtuse | An angle measuring between 90 and 180 degrees.
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| Straight | An angle measuring exactly 180 degrees.
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| Complementary | 2 angles whose sum measures 90 degrees
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| Supplementary | 2 angles whose sum measures 180 degrees
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| Adjacent | 2 angles that share a common side and a common vertex
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| Vertical | 2 angles formed by intersecting lines. The two angles are opposite each other and equal to each other.
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| Parallel | Two straight lines that do not intersect.
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| Perpendicular | Two lines that intersect at a right angle.
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| 180 degrees | The sum of the angle measurements of a triangle.
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| Triangle | A closed shape with 3 sides and 3 angles.
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| Acute Triangle | A triangle with 3 acute angles
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| Right Triangle | A triangle with ONE right angle
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| Obtuse Triangle | A triangle with an obtuse angle.
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| Equilateral Triangle | A triangle with 3 equal length sides.
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| Isosceles Triangle | A triangle with 2 equal length sides.
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| Scalene Triangle | A triangle with no equal length sides.
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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:
cayucosmath
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