| A | B |
| Point | the basic unit used in geometry, is named by a capital letter |
| line | a series of points that extend in both directions forever, is named by two capital letters or one lower case script letter |
| collinear | points that lie on the same line |
| ray | has a starting point and extends in one direction forever, is named with 2 capital letters beginning with the start point |
| line segment | a piece of a line with two end points, is named by 2 capital letters |
| plane | a flat surface that extends forever, named by 3 capital letters or one capital script letter |
| coplanar | points that lie on the same plane |
| non coplanar | points that do not lie on the same plane |
| hypothesis | the part of the statement after the word "if", but NOT including "if" |
| conclusion | the part of the statement after the word "then", but NOT including the word "then" |
| converse | you switch the hypothesis and conclusion in an "if, then" statement |
| inverse | you negate BOTH the hypothesis and conclusion by stating the opposite (either add NOT to both or take it away) |
| 2 points determine a ______ | straight line |
| two lines intersect at a _____ | point |
| 3 noncollinear points determine a _____ | unique plane |
| a plane is named by _____ points | 3 |
| 2 distinct planes intersect at a _______ | straight line |
| straight edge | any object that is used to make a straight line |
| compass | an instrument used to make a circle |
| arc | part of a circle |
| perimeter | the distance around a figure obtained by adding all the sides |
| perimeter of a rectangle | 2L + 2W |
| perimeter of a square | 4s |
| area | the amount of square units in a figure |
| area of a rectangle | L x W |
| area of a square | S x S |
| area of a parallellogram | B x H |