Geometry unit 1!
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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| a way to categorze items based on having the same characteristics. | Attributes
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| Two figures are this if they have the same shape and size. | Congruent
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| Two figures are this if they have the same shape. | Similar
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| When your eyes see something differently or are tricked into believing something is true when really it is not. | Optical Illusion
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| A figure has this if it can be divided into two parts, each of which is the mirror image of the other. | Line Symmetry
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| A figure has this when the figure is rotated 180 degrees about its center and the resulting figure coincides with the original. | Rotational Symmetry
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| Can be thought of as a dot that represents a location in a plane or space. | Point
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| An infinite number of points extending infinitely on both directions. | Line
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| A flat surface that extends infinitely in all directions. (need 3 points) | Plane
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| A part of a line having two end points. | Segment
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| A part of a line having one endpoint. | Ray
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| Consists of two different rays that have the same initial point called the vertex. | Angle
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| 0° | Acute
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| m=90° | Right
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| 90° | Obtuse
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| m=180° | Straight
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| Two rays with a common endpoint going in opposite directions. | Opposite rays
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| Two angles that share a common vertex and side but have no common interior points. | Adjacent angles
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| To cut an object into two congruent parts. | Bisect
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| A segment that bisects another segment into two congruent segments. | Segment bisector
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| A ray that bisects an agle into two congruent angles. | Angle bisector
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| The point that divides a segment into two congruent parts. | Midpoint
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| Point on the same line. | Collinear
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| Points on the same plane. | Coplanar
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| Points contained outside an angle. | Exterior points
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| Points contained inside an angle | Interior points
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| Two or more coplanar lines traveling in the same direction and never intersect. | Parallel lines
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| Two coplanar lines that intersect to for 90°<'s. | Perpendicular lines
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| if a=b then a+c=b+c | Addition Property
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| If a=b then a-c=b-c | Subtraction Property
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| if a=b, then ac=bc | Multiplication Property
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| if a=b, then a/c=b/c c does not equal 0. | Division Property
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| For any real #a, a=a | Reflexive Property
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| If a=b then b=a | Symmetric Property
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| If a=b and b=c then a=c | Transitive Property
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| if a=b then a may be substituted in for b in any equation or expression | Substitution Property
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| a(b+c)=ab+ac | Distributive Property
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| Any geometric object is congruent to itself. ex. | Reflexive
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| If one geometric object is congruent to a second, then the second object is congruent to the first. | Symmetric
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| If | Transitive
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| Are two angles formed by two pairs of opposite rays having the same endpoint. | Vertical Angles
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| If two angles are verticcal angles, then they are congruent. | Vertical Angles Theorem
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| Two adjacent angles whose non-common sides are opposite rays | Linear Pair
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| If two angles form a linear pair, then they are supplementary. | Linear Pair Postualte
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| If two angles are complementary to the same angle or to congruent angles, then the two angles are congruent. | Congruent Complements Theorem
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| If 2 angles are supplementary to the same angle or to congruent angles, then the two angles are congruent. | Congruent Supplements Theorem
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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:
AmandaaC
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