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Geometry words
46 Geometry words
| Question | Answer |
|---|---|
| Acute Angle | An angle that is smaller than 90 digrees. |
| Angle | The figure formed by two rays that meet at a common endpoint. |
| Center | A point from which every point on a circle is the same distance. |
| Circle | Asimple closed curve;all the points on the circle are the same distance from the center point. |
| Congruent Figures | Figures that have same size and shape. |
| Degree | A unit used to measure angles. |
| Diameter | A line segment that passes through the center of a circle and has both end points on a circle. |
| Edge | The line segment where two faces of a soild figure meet. |
| equilateral Triangle | Atriangle whose three sides are congruent. |
| End Point | The point at the end of a line segment or ray. |
| Intersecting Line | Lines that meet or cross at a common point. |
| Isosceles Triagle | Atriangle with at least two sides that are equal in length |
| Line | A straight set of points that go on forever in opposite directions. |
| Obtuse Angle | An angle that measures more than 90 digrees but less than 180. |
| Half- turn symmetery | A figure that matches its image when its image when it is turned halfway around has half-turn symmetry. |
| Rectangular Prism | A solid figure with six rectangular faces. |
| Slide (translation) | The movement of a figure aloung a line without changing direction |
| Ray | The part of a line that starts at an endpoint and goes on forever in one direction |
| Rectangle | A parallelogram with four right angles |
| Perpendicular lines | Intersecting lines in the same plane that form four right angles |
| Line Segment | The part of a line between two endpoints |
| Radius | A line segment with endpoints at the center of a circle and on the circle |
| Straight Angle | An angle that measures 180 digrees |
| Trapezoid | A quadrillateral with exactly one pair of parallel sides |
| SimilarFigures | Figures that have the same shape.They may or may not be the same size |
| Vertex | A common endpoint of two rays or line segment.In a soild figure,the point at witch three or more edges meet |
| Perimeter | The distince around a shape |
| Square | A parallelogram that has four right angles and four congruent sides |
| Rhombus | An angle that measures 90 digrees.Itforms a square corner |
| Volume | The number of cubic units needed to fill a soild figure |
| Square Pyramid | A pyramid with a square base |
| Area | The number of square units needed to cover a flat surface |
| Quadrillateral | Any four-sided polygon |
| Sphere | A solid figure that is shaped like a ball |
| Parallelogram | A quadrilateral whoose opposite sides are parallel and congruent |
| Turn | The movement of a figure around a point |
| Scalene Triangle | A triangle with no sides that are equal |
| Point | An exact location in space |
| Triangle | A polygon with three sides |
| Parallel lines | Lines in the same plane that never intersect |
| Polygon | A simple closed flat figure made up of three or more line segment |
| Tiangular Prism | A soild figure with two parallel triangular faces |
| Plane | A flat surface that extends indefinitely in all directions |
| Right Triangle | A triangle that has one right angle |
| Protractor | The tool used to measure angles |
Created by:
cfreitas@stp
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