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# Geometry Slide Show

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### Geometry Slide Show

1. 1. Austins Guide to Geometry Lines Angles Triangles Quadrilateral Circles Other Polygons
2. 2. Point A point is a dot in and angle.
3. 3. Plane A plane is a sector in a space
4. 4. Line A line a a straight line that never ends.
5. 5. Line Segment A line segment is when any line and 2 points can be measured
6. 6. Ray 1 point and a line that goes on forever.
7. 7. Intersecting 2 lines that intersect
8. 8. Perpendicular They intersect at a ninety degree angle
9. 9. Parallel 2 lines that never meet each other.
10. 10. Skew Lines that aren't in the same pane.
11. 11. Acute An angle that is smaller than 90 degrees
12. 12. Obtuse An angle thats more than 90 degrees.
13. 13. Right An angle that is 90 degrees exact.
14. 14. Straight 80 degrees
15. 15. Vertex A dot in any angle
16. 16. Vertices The point were 2 angles meet.
17. 17. Complementary Lines across from each other like a vertical
18. 18. Supplementary An angle that does not meet.
19. 19. Vertical pointing up in a line that forms an angle of 90° with a flat surface
20. 20. Opposite Vertical A B
21. 21. Adjacent 2 angles that share a line
22. 22. Right One angle that is 90 degrees
23. 23. Obtuse One of that angles is more than 90 degrees
24. 24. Acute One angle has to be 90 degrees
25. 25. Scalene A triangle with no equal sides
26. 26. Isosceles A triangle with 2 equal sides
27. 27. Equilateral A triangle that has equal sides
28. 28. Sum of internal angles The sum of all angles adding up to 180 degrees
29. 29. Perimeter The perimeter is the addition of all the outside sides together
30. 30. Area of a triangle The area is the length x width, squared
31. 31. Quadrilateral A shape with 4 connected sides
32. 32. Trapezoid A quadrilateral with 2 parallel sides
33. 33. Parallelogram A shape with all opposite sides being parallel
34. 34. Rectangle A quadrilateral with four 90 degree angles
35. 35. Rhombus A square with no right angles
36. 36. Square A figure with 4 right angles
37. 37. Area of a rectangle You have to multiply length x width
38. 38. Area of a square Same thing length x width
39. 39. Area of a parallelogram Do base x height
40. 40. Area of a trapezoid The average of two lengths x height
41. 41. Perimeter of a rectangle You have to add up the angles
42. 42. Perimeter of a square To get perimeter you add up all the angles
43. 43. Chord Segment connecting 2 points
44. 44. Diameter A line segment that passes through the center of a circle
45. 45. Radius A line segment with one end point
46. 46. Sector <ul><ul><li>A region enclosed by to radii and the arc joining their endpoints </li></ul></ul>
47. 47. Circumference The distance around the circle
48. 48. Area of a circle The space inside
49. 49. Hexagon A shape with 6 sides
50. 50. Octagon A shape that has 8 sides
51. 51. Regular polygon All sides are congruent
52. 52. Perimeter of a square To get perimeter you add up all the angles