| Geometric Terms 8.1 | ||
| #1 | An endless set of points extending in both directions. | Line |
| #2 | A part of a line that has two endpoints. | Line Segment |
| #3 | Two lines in the same plane, but never crossing paths. | Parallel Lines |
| #4 | An exact location in space. | Point |
| #5 | Two lines that intersect to form a ninety degree angle. | Perpendicular Lines |
| Angles 8.2 | ||
| #1 | The name of a 137 degree angle. | Obtuse |
| #2 | The name of a 12 degree angle. | Acute |
| #3 | A 180 degree angle. | Straight |
| #4 | Instrument used to measure an angle. | Protractor |
| #5 | Part of an angle where two rays meet. | Vertex |
| Polygons 8.3 | ||
| #1 | Hearts, Circles, Ovals, and Mazes are all examples of this. | Irregular Polygons |
| #2 | a four sided polygon | quadrilateral |
| #3 | a five sided polygon | pentagon |
| #4 | an six sided polygon | hexagon |
| #5 | A polygon with all sides equal length is called a ________ polygon. | Regular |
| Troubling Triangles 8.4 | ||
| #1 | All three angles of any triangle must add up to ______ degrees. | 180 |
| #2 | A triangle with one angle greater than 90 degrees. | Obtuse Triangle |
| #3 | A triangle whose sides are all different lengths. | Scalene Triangle |
| #4 | A triangle that has all three sides equal length. | Equilateral Triangle |
| #5 | At least two of a triangle's angles must be ____________. | Acute |
| Quadrilateral Quandry 8.5 | ||
| #1 | The only quadrilateral that can't have four equal sides. | Trapezoid |
| #2 | All 4 angles of a quadrilateral must add up to __________ degrees. | 360 |
| #3 | A parallelogram with all four sides equal but may or may not have right angles. | Rhombus |
| #4 | A parallelogram with four right angles, opposite sides parallel, and all four sides the same length. | Square |
| #5 | A quadrilateral that has only one pair of parallel sides. | Trapezoid |
| Final Question | |