Vocabulary for Geometry class
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| Altitude | Special segment in triangles passing through vertex, perpendicular to opposite side.
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| Bisect | To cut in to two equal parts.
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| Centroid | Point of concurrency of 3 medians in the triangle.
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| Circumcenter | Point of concurrency of 3 perpendicular bisectors in the triangle.
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| Deductive Reasoning | Reasoning process based on linking statements known to be true.
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| Inductive Reasoning | Reasoning process based on drawing a conclusion from examples.
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| Concurrent Lines | Three or more lines intersecting at a single point.
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| Collinear | Contained in the same line.
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| Polygons | Geometric figure formed by 3 or more non-intersecting sides.
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| Coplanar | Contained in the same plane.
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| Incenter | Point of concurrency of 3 angle bisectors in the triangle.
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| Construction | Creating a figure using compass and straightedge.
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| Skew | Two noncoplanar, non-parallel lines that do not intersect.
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| Theorem | A geometric principle that requires proof.
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| Undefined Terms | Point, Line, Plane.
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| Proof | A logical argument verifying the truth of a geometric principle.
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| Postulate | A geometric principle that doesn't require proof.
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| Point of Concurrency | Point where three or more lines intersect.
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| Orthocenter | Point of concurrency of 3 altitudes in the triangle.
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| Perpendicular Bisector | Special segment in triangles perpendicular to one side and bisecting that side.
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| Median | Special segment in triangles passing through a vertex and bisecting the opposite side.
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| Angle Bisector | Special segment in triangles, passing through a vertex and bisecting that angle.
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| Sine | Opposite / Hypotenuse
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| Cosine | Adjacent / Hypotenuse
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| Tangent | Opposite / Adjacent
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| Opposite Side | Side furthest away from chosen angle in a right triangle.
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| Adjacent Side | Side next to the right angle and the chosen angle in a right triangle.
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| Hypotenuse | Longest side, opposite the right angle in a right triangle.
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| Trig Ratios | Sine, Cosine, and Tangent
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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:
dvande02
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