| A | B |
|---|
| piont | an exact location in space |
| line | a continuous set of points going in two oppisite directions |
| ray | a continuos set of pionts that continue one way with one endpoint |
| plane | a continuos set of points moving in all directions, written in a cursive capital letter |
| congruent | two geometric figures that have the sam measeurmenets |
| parallel lines | two or more lines that are equally distant from eachother |
| intersecting lines | two or more lines that have one point in common (X) |
| skewlines | two or morelines that never intersect but are not parellal |
| polygon | a closed figure wiht 3 or more strait sides |
| triangle | 3 sides |
| quadrilateral | 4 sides |
| pentagon | 5 sides |
| hexagon | 6 sides |
| octogon | 8 sides |
| decagon | 10 sides |
| dodecagon | 12 sides |
| regular polygon | all sides are equal length |
| acute triangle | a triangle with all angles less than 90 degrees |
| obtuse triengle | a triengle wiht one obtuse angle or more than 90 degrees |
| right triangle | a triangle with exactly 90 degrees |
| parallelagram | a quidrilateral with two pairs of opposite sides that are parallel and congruent |
| rhombus | a parallelagram with 4 congruent sides |
| rectangle | a parallelagram with 4 right angels |
| square | a aprallelagram wiht 4 right angles and 4 congruent sides |
| trapezoid | a quidrilateral with only one pair of parallel sides |
| circle | a set of pionts all equally distant from from one point in the center call the center point |
| radius | a line segment who's endpoints are on the circle and that contain the center point |
| diameter | a line segment who's endpoints on the circle and that contain the center point |
| chord | a line segment that never touches the center point, endpoints lie on the circle |
| polyhedron | a 3D figure made up o flat surfaces called faces |
| prism | a polyhedron with two bases |
| pyramid | a polyhedron who has one endpoint |
| how do you find the faces on a prism? | # of sides in the base plus 2 |
| how do you find the edges in a prism | # of sides in base X3 |
| how to find vertices in a prism | # of vertices in base X2 |
| how to find # of faces in a pyramid | # of sides ina base plus 1 |
| #of edges in a pyramid | # of sides in base X2 |
| # of bases in a pyramid | # of sides in a base plus 1 |
