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# Geometry In The Real World

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Geometry project due 12/11/09 @ 3:00 pm.

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### Geometry In The Real World

1. 1. Geometry in the Real World<br />Period 5 Nathan Rodriguez<br />
2. 2. -Point<br />a geometric element that has position but no extension; &quot;a point is defined by its coordinates&quot; <br />
3. 3. -Line (segment)<br />a line is a straight path that has no thickness and does not extend forever.<br />
4. 4. -Plane<br />a flat surface that has no thickness and extends forever.<br />
5. 5. -Angle <br />A figure formed by two rays with a common endpoint.<br />
6. 6. -perpendicular lines<br />Intersecting lines to form 90 degree angles.<br />
7. 7. -parallel lines<br />Lines in the same plane that don’t intersect.<br />
8. 8. -Triangle<br />A three-sided polygon.<br />
9. 9. -Right triangle<br />A triangle with one right angle.<br />
10. 10. -pentagon<br />A five-sided polygon.<br />
11. 11. -hexagon<br />A six-sided polygon.<br />
12. 12. -square<br />A quadrilateral with four congruent sides and for right angles.<br />
13. 13. -Rectangle<br />A quadrilateral with four right angles.<br />
14. 14. -trapezoid<br />A quadrilateral with exactly one pair of parallel sides.<br />
15. 15. -parallelogram<br />Quadrilateral with two pairs of parallel sides.<br />
16. 16. -circle<br />The set of points in a plane that are a fixed distance from a given point called the center of a circle.<br />
17. 17. -cylinder<br />A three-dimensional figure with two parallel congruent circular bases and a curved lateral surface that connects the bases.<br />
18. 18. -sphere<br />The set of points in a space that are a fixed distance from a given point called the center of the sphere.<br />
19. 19. -pyramid<br />A polyhedron formed by a polygonal base and triangular lateral faces that meet at a common vertex.<br />
20. 20. -Acute triangle<br />A triangle with three acute angles.<br />
21. 21. -obtusetriangle<br />A triangle with one obtuse angle.<br />
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