Chapter 8 Vocab
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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| An exact location. | Point
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| A straight path that extends without end in opposite directions. | Line
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| A perfectly flat surface that extends infinitely in all directions. | Plane
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| It has one endpoint and extends without end in one direction. | Ray
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| A part of a line or a ray that extends from one endpoint to another. | Line Segment
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| An angle that measures exactly 180 degrees. | Straight
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| Two angles when added together equal 90 degrees. | Complementary
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| Two angles when added together equal 180 degress. | Supplementary
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| Intersecting lines that form 90 degree angles. | Perpendicular
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| Lines that do not intersect. | Parallel
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| Lines that do not intersect and are not parallel. | Skew
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| Angles that have a common vertex and a common side. | Adjacent
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| Opposite angles formed by two intersecting lines. | Vertical
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| Angles on the same side of the transversal and are both above or below the parallel lines. | Corresponding
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| A set of all points in a plane that are the same distance from a given point. | Circle
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| Part of a circle names by its endpoints. | Arc
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| A line segment that passes through the center of a circle and whose endpoints line on the circle. | Diameter
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| A line segment whose endpoints are any two points on a circle. | Chord
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| A line segment whose endpoints are the center of a circle and any point on the circle. | Radius
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| A closed plane figure formed by three or more line segments. | Polygon
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| A polygon in which all sides are congruent and all angles are congruent. | Regular
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| A triangle that has no congruent sides. | Scalene
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| A triangle that has 2 congruent sides. | Isosceles
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| A triangle with 3 congruent sides. | Equilateral
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| A triangle in which all of the angles are less than 90 degrees. | Acute
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| A triangle that has exactly one angle greater than 90 degrees. | Obtuse
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| A triangle that has exactly one angle that is equal to 90 degrees. | Right
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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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