1 | ![]() | A point is an exact location in space ![]() |
2 | Plane ![]() | A endless flat surface ![]() |
3 | Intersecting lines ![]() | Are lines that pass through the same point ![]() |
4 | Line segment ![]() | A part of a line with two endpoints ![]() |
5 | Line ![]() | A straight path that goes on and on in opposite directions
![]() |
6 | Parallel lines ![]() | Are lines that never intersect ![]() |
7 | Ray ![]() | A part of a line that has one endpoint and continues On forever in one direction ![]() |
8 | Right angle ![]() | Is an angle that forms a square corner ![]() |
9 | acute angle ![]() | angle that is open less than a right angle ![]() |
10 | obtuse angle ![]() | an angle that is open more than a right angle but less than a straight angle
![]() |
11 | straight angle ![]() | an angle that forms a straight line ![]() |
12 | degree ![]() | a unit used to Measure angles ![]() |
13 | vertex ![]() | the Point where two rays meet to form an angle ![]() |
14 | equilateral triangle ![]() | a triangle with three equal sides ![]() |
15 | isosceles triangle ![]() | a triangle with at least two equal sides ![]() |
16 | scalene triangle ![]() | a triangle with no equal sides ![]() |
17 | right triangle ![]() | a triangle that has one rigth angle ![]() |
18 | acute triangle ![]() | a triangle that has three acute angles ![]() |
19 | abtuse triangle ![]() | a triangle that has one abtuse angle ![]() |
20 | polygon ![]() | a closed plane figure made up of line segments ![]() |
21 | quadrilateral ![]() | a polygon with four sides ![]() |
22 | parallelogram ![]() | a quadrilateral that has two pairs of parallel sides ![]() |
23 | rectangle ![]() | a quadrilateral that has four rigth angles ![]() |
24 | square ![]() | a quadrilateral that has four right angles and all sides that are the same length ![]() |
25 | rhombus ![]() | a quadrilateral in which opposite sides are parallel and all of its sides are the same legnth ![]() |
26 | trapozoid ![]() | a qaudrilateral with only one pair pairllal sides ![]() |
27 | line of symmetry ![]() | the line on which a figure can be folded so both halves are the same ![]() |