Terms : Hide Images
| 2726706403 | trapezium | A quadrilateral (4-sided shape) with one pair of parallel sides |  | 0 |
| 2726706725 | quadrilaterals | 4 sided polygon |  | 1 |
| 2726707250 | parallelogram | A quadrilateral with two pairs of parallel sides |  | 2 |
| 2726707966 | rhombus | A parallelogram with four equal sides |  | 3 |
| 2726708518 | rectangle | A parallelogram with four right angles |  | 4 |
| 2726708716 | square | 4 equal sides. 90 degree angles. |  | 5 |
| 2726710550 | isosceles | A triangle that has 2 equal sides. |  | 6 |
| 2726710704 | equilateral | A triangle that has all three sides the same length. |  | 7 |
| 2726711088 | scalene | A triangle with no equal sides |  | 8 |
| 2726711316 | triangle | a three-sided polygon |  | 9 |
| 2726711793 | right angled triangle | A triangle with a right angle |  | 10 |
| 2726711970 | protractor | A tool used to measure angles |  | 11 |
| 2726712156 | radius | A straight line from the center to the circumference of a circle or sphere. |  | 12 |
| 2726712317 | diameter | A straight line passing from side to side through the center of a circle or sphere. |  | 13 |
| 2726712598 | circumference | The distance around a circle |  | 14 |
| 2726712850 | arc | the shape of part of a circle |  | 15 |
| 2726713642 | sector | The part of a circle that looks like a piece of pie. A sector is bounded by 2 radii and an arc of the circle. |  | 16 |
| 2726714152 | parallel | If two or more lines, streets, etc. are parallel, the distance between them is the same all along their length |  | 17 |
| 2726714729 | perpendicular | At an angle of 90˚ to a given line, plane, or surface. |  | 18 |
| 2726714925 | vertical | standing or pointing straight up or at an angle of 90° to a horizontal surface or line |  | 19 |
| 2726716229 | horizontal | Going straight across from side to side |  | 20 |
| 2726716603 | acute angle | An angle less than 90 degrees |  | 21 |
| 2726716855 | right angle | 90 degree angle |  | 22 |
| 2726717134 | obtuse angle | An angle between 90 and 180 degrees |  | 23 |
| 2726717179 | straight angle | An angle of 180 degrees |  | 24 |
| 2726717349 | reflex angle | Between 180 and 360 degrees |  | 25 |
| 2726717965 | pentagon | 5 sided polygon |  | 26 |
| 2726718176 | hexagon | 6 sided polygon |  | 27 |
| 2726718282 | heptagon | A polygon with 7 sides. |  | 28 |
| 2726718376 | octagon | 8 sided polygon |  | 29 |
| 2726719058 | nonagon | A polygon with 9 sides |  | 30 |
| 2726719150 | decagon | 10 sided polygon |  | 31 |
| 2726719259 | hendecagon | 11 sided polygon |  | 32 |
| 2726719359 | dodecagon | 12 sided polygon |  | 33 |
