Geomtery Word
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Created by:
alisonpoore on November 22, 2010
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Description:
EDM Unit 1 Words
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12 terms
Terms | Definitions |
|---|---|
 Concave Polygon | A polygon in which at least one vertex is "pushed in" or "caved in." |
| Convex Polygon | A polygon in which all vertices are "pushed outward." |
| Endpoint | A point at the end of a line segment or a ray. |
| Line | A straight path that extends infinitely in opposite directions. |
| Line Segment | A straight path joining two points. The two points are called the endpoints of the segment. |
| Parallelogram | A quadrilateral that has two pairs of parallel sides. Opposite sides of a parallelogram have equal lengths. Opposite angles of a parallelogram have the same measure. |
| Polygon | A 2-dimensional figure (shape) that is made up of three or more line segments joined end to end to make one closed path. The line segments of a polygon may not cross, be curved, or be open. |
| Quadrangle (quadrilateral) | A polygon that has four sides and four angles. |
| Ray | A straight path that extends infinitely from a point called its endpoint. |
| Rhombus | A quadrilateral whose sides are all the same length. |
| Trapezoid | A quadrilateral that has exactly one pair of parallel sides. |
| Vertex | The point where the rays of an angle, the sides of a polygon, or the edges of a polyhedron meet. |
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