2. Point<br />Something that has no size and names a location; dot.<br />
3. Line Segment<br />A piece of a line that has been cut into a certain distance<br />
4. Plane<br />A flat surface that extends forever<br />
5. Angle<br />The space in between two line segments or lines.<br />
6. Perpendicular lines<br />Two lines that intersect, that make four angles and all four angles made by the intersecting lines measure Ninety Degrees.<br />
7. Parallel lines<br />Two lines that run side by side and never intersect no matter how far they go in either direction.<br />
8. Triangle<br />A three sided Polygon.<br />Regular triangles have three 60 degree angles.<br />
9. Right Triangle<br />A triangle that has one right (90 degrees) angle.<br />
10. Pentagon<br />A polygon that has 5 sides.<br />
11. Hexagon<br />A polygon that has 6 sides.<br />
12. Square<br />A four sided polygon.<br />A square has all sides same length and all angles on a square are 90 degrees.<br />
13. Rectangle<br />A square that has four 90 degree angles but all four sides do not have to be the same length.<br />A square is a rectangle but a rectangle isn’t a square.<br />
14. Trapezoid<br />Like a rectangle but all angles don’t have to be 90 degrees.<br />A rectangle is a trapezoid but a trapezoid is not a rectangle.<br />A square is a trapezoid but a trapezoid id not a square.<br />
15. Parallelagram<br />Like a Trapezoid but the sides must be parallel.<br />Ex. Left must be parallel to Right and Top must be parallel to Bottom.<br />Square is a parallelogram but a parallelogram is not a square.<br />A rectangle is a parallelogram but a parallelogram is not a rectangle.<br />
16. Circle<br />A line that is the same distance in every direction from one point inside the plane that the circle is in. <br />The point is in the direct middle of the circle.<br />
17. Cylinder<br />A circle that has height.<br />
18. Sphere<br />A three dimensional circle.<br />
19. Cube<br />A three dimensional square.<br />
20. Triangular Pyramid<br />A pyramid with a triangle as a base.<br />
21. Square Pyramid<br />A pyramid with a square as a base.<br />
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