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| Term | Definition |
|---|---|
| Shadow | an area where direct light source cannot reach due to obstruction by an object |
| Penumbra | a fringe region of partial shadow around an umbra |
| Umbra | a region of complete shadow resulting from total obstruction of light |
| Hypotenuse | the side of a right triangle opposite the right angle |
| Isosceles triangle | a triangle with two equal sides |
| Equilateral triangle | a triangle with three equal sides |
| Pythagorean theorem | a²+b²=c² |
| Right angle | a 90 degree angle |
| Similar triangles | triangles that have the same shape but not necessarily the same size. |
| Terms | 9 |
| Creator | Sarahf27 |
| Created | October 11, 2009 |
| Groups | None |
| Subjects | None |
| Access | Anyone |
| Edit | Creator Only |