Terms : Hide Images
| 1289003348 | Acute Angle | An angle whose measure is less than 90 degrees. | 1 | |
| 1289003349 | Right Angle | An angle whose measure is exactly 90 degrees. | 2 | |
| 1289003350 | Obtuse Angle | An angle whose measure is between 90 degrees and 180 degrees. | 3 | |
| 1289003351 | Straight Angle | An angle whose measure is exactly 180 degrees. | 4 | |
| 1289003352 | Complementary Angles | Two angles whose measures have a sum of 90 degrees. | 5 | |
| 1289003353 | Supplementary Angles | Two angles whose measures have a sum of 180 degrees. | 6 | |
| 1289003354 | Adjacent Angles | Two angles that share a common side and vertex and do not overlap. | 7 | |
| 1289003355 | Vertical Angles | A pair of opposite angles formed when two lines meet at a point. | 8 | |
| 1291961732 | Congruent Angles | Angles that have the same measure. | 9 | |
| 1291961733 | Parallel Lines | Two lines in the same plane that do not intersect. | 10 | |
| 1291961734 | Intersecting Lines | Two lines that meet at a point. | 11 | |
| 1291961735 | Perpendicular Lines | Two lines that intersects to form four right angles. | 12 | |
| 1291961736 | Corresponding Angles | Angles that occupy coresponding positions when a line intersects two other lines. | 13 | |
| 1291961737 | Acute Triangle | An triangle with three acute angles. | 14 | |
| 1291961738 | Right Triangle | A triangle with one right angle. | 15 | |
| 1291961739 | Obtuse Triangle | A triangle with one obtuse angle. | 16 | |
| 1291961740 | Congruent Sides | .Sides that have the ssame length. | 17 | |
| 1315143440 | Equilateral Triangle | A triangle with three congruent sides | 18 | |
| 1315143441 | Isosceles Triangle | A triangle with at least two congruent sides. | 19 | |
| 1315143442 | Scalene Triangle | A triangle with no congruent sides | 20 | |
| 1315143443 | Triangle | A geometric figure with three sides. | 21 | |
| 1315143444 | Quadrilateral | A geometric figure made up of four line segments, called sides, that intersect only at their endpoints; a polygon with four sides. | 22 | |
| 1315143445 | Trapezoid | A quadrilateral with exactly 1 pair of parallel sides. | 23 | |
| 1315143446 | Parallelogram | A quadrilateral with 2 pairs of parallel sides. | 24 | |
| 1315143447 | Rhombus | A parallelogram with 4 congruent sides. | 25 | |
| 1315143448 | Rectangle | A parallelogram with four right angles. | 26 | |
| 1315143449 | Regular Polygon | A polygon with all sides equal in length and all angles equal in measure. | 27 | |
| 1315143450 | Similar Polygons | Polygons that have the same shape but not necessarily the same size. | 28 | |
| 1315143451 | Congruent Polygons | Similar polygons that have the same shape and the same size. | 29 | |
| 1315421188 | Point | A position in space represented by a dot. | 30 | |
| 1315421189 | Line | A set of points that extends without end in two opposite directions. | 31 | |
| 1315421190 | Line Segment | A part of a line that consists of two endpoints and all the points between them. | 32 | |
| 1315421191 | Angle | A figure formed by two rays with the same endpoint. | 33 | |
| 1315421192 | Ray | A part of a line that has one endpoint and extends without end in one direction. | 34 |
