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

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