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Geometry Vocab
vocab quiz 3
| Term | Definition |
|---|---|
| Ordered Triple | Three numbers written in the form (x, y, z). |
| n-tuple | n numbers written in the form (x1, x2, x3, . . . , xn). |
| Orthocenter of a triangle | The point where three altitudes of a triangle intersect. |
| Outcome | The result of an experiment in probability theory. |
| Overlap | Similar triangles in which one triangle is on top (overlapping) another triangle. |
| Parallel | Two lines that are on a plane and NEVER meet. Two lines that are always the same distance apart. |
| Permutation | All possible arrangements of a collection of things, where order is important. |
| Perpendicular | A strait line at an angle of 90 degrees to a given line, plane or surface. |
| Perpendicular Bisector | A line or ray that cuts another line segment into two equal parts at 90 degrees |
| Perpendicular Bisector Theorem | The perpendicular bisector of a line segment is the focus of all points that are equidistant from its endpoints. |
| Perpendicular Bisector Theorem Converse | If a point is equidistant from the endpoints of a segment, then it is on the perpendicular bisector of the segment. |
| Point of concurrency | The point where three or more lines intersect |
| Point of symmetry | A special center point for a certain kinds symmetric to a figure or graph |
| Polygon Angle sum-theorem | The sum of the measures of the angles of an n-gon is (n–2)180 |
| Polygon Angle sum-theorem coverse | The measure of each interior angle of a regular n-gon is 180*(n–2)/n) |
| Polygon exterior angle-sum theorem | If a polygon is convex, then the sum of the measures of the exterior angles, one at each vertex, is 360. |
| Preimage | The original figure prior to a transformation |
| Probability | The chance that something will happen or how likely it is that an event wild happen |
| Probability distribution | A graph, table, or formula that gives the probability for each value of the random variable |
| Probability formula | The number of ways an event can occur divided by the total number of possible outcomes (see also conditional probability formula) |
| Isosceles triangle | A triangle with two equal sides |
| Proportions | Comparative relation between things or magnitudes as to size, quantity, number, etc. |
| Pythagorean theorem | An equation relating the lengths of the sides of a right triangle. |
| Ratios | The result of dividing one number or expression by another. |
| Ray | A part of a line that begins at a particular point (called the endpoint) and extends endlessly in one direction |
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Koalabuffallamafly
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