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Sanders Geometry Wor
| Question | Answer |
|---|---|
| Diagonal | a line that connects two vertices without redrawing a side. |
| Convex Angle | An angle that extends or points outward. |
| Supplementary Angle | Two angles that add up to 180 degrees. |
| Concave Angle | An angle that extends or points inward. |
| Complementary Angle | Two angles that add up to 90 degrees. |
| vertex | The common endpoint of 2 rays that form an angle. |
| degrees | The units that measure angles. |
| Regular Polygon | A polygon that has sides of equal length and angles of equal measure. |
| Straight Angle | An angle with a measure of 180 degrees. |
| Protractor | A tool used to measure and draw angles. |
| Polygon | A closed plane figure made up of line segments. |
| Quadrilateral | A polygon with four sides. |
| Hexagon | A polygon with six sides. |
| Equilateral Triangle | A triangle with sides equal in length. |
| Triangle | A polygon with three sides and angles that measure 180 degrees. |
| Pentagon | A polygon with five sides and angles that measure 540 degrees. |
| Octagon | A polygon with eight sides and angles that measure 1,080 degrees. |
| Scalene Triangle | A triangle with no sides equal in length. |
| Acute Triangle | All three angles of the triangle are acute angles. |
| Parallelogram | A quadrilateral with both sets of opposite sides parallel and equal in length. |
| Isosceles Triangle | A triangle with at least two sides of equal length. |
| Right Triangle | One angle of the triangle is a right angle. |
| Obtuse Triangle | One angle of the triangle is a an obtuse angle. |
| Trapezoid | A quadrilateral with only one pair of parallel sides. |
| Rectangle | A parallelogram with four right angles, but the sides are not all the same length. |
| Rhombus | A parallelogram with all sides the same length. (Can also be a square, but not ALWAYS) |
| Square | A quadrilateral with all sides the same length and always has four 90 degree angles. (Diagonals are perpendicular) |
| Plane | An endless flat surface. |
| Acute Angle | An angle with a measure between 0 and 90 degrees. |
| Obtuse Angle | An angle with a measure between 90 and 180 degrees. |
| Line Segment | A part of a line with two endpoints. |
| Angle | Formed by two rays with the same endpoint. |
| Right Angle | An angle with a measure of 90 degrees. |
| Parallel Lines | Lines that never ever, ever, ever touch. |
| Perpendicular Lines | Lines that meet at a 90 degree angle. |
| Intersecting Lines | Line that come together at the same point. |
Created by:
rsanders
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