Geometry Terms
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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show | No dimension, represents a precise location, symbolized with a dot and a capital letter.
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Line | show 🗑
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show | A part of a line between two endpoints. A finite length.
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show | A two dimensional (length and width) surface that extends infinitely in all directions. 3 non-collinear points determine a plane.
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Collinear | show 🗑
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show | Three or more points that are NOT on the same line. You know that 3 points are non collinear when you cannot draw one line that contains all three of those points.
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Coplanar | show 🗑
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Compass | show 🗑
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Straightedge | show 🗑
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show | Identical. Exactly the same shape and same size.
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show | The length of the segment between two points.
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Intersection | show 🗑
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Linear Pair | show 🗑
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Adjacent | show 🗑
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Vertex | show 🗑
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Midpoint | show 🗑
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show | Two rays with a common vertex form an angle measured in degrees.
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show | An angle that measures between 0 and 90 degrees.
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show | An angle that measures between 90 and 180 degrees.
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show | An angle that measures exactly 180 degrees.
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Construction Mark | show 🗑
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Radius | show 🗑
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show | An angle that measures exactly 90 degrees.
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show | Two angles whose sum is 180 degrees.
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Complementary Angles | show 🗑
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show | A logical argument in which each statement you make is supported by a reason that is accepted as true.
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Parallel Lines | show 🗑
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show | Forms a right angle.
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show | Having equal side lengths.
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show | Having equal angles.
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show | A triangle that contains a right angle
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Triangle | show 🗑
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Isosceles Triangle | show 🗑
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Equilateral Triangle | show 🗑
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Corresponding parts | show 🗑
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Pythagorean Theorem | show 🗑
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show | The largest side of a right triangle. This side is directly 0pposite the right angle.
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show | The same distance.
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Perpendicular Bisector | show 🗑
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show | Cuts exactly into two congruent parts.
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Angle Addition | show 🗑
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show | Part + Part = Whole. The Whole is the sum of its parts. Two segments that combine to form a larger segment.
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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:
mrkamen
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