Geometry guide
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Geometry guide

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this is a sixth grade project.

this is a sixth grade project.

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Geometry guide Presentation Transcript

  • 1. Geometry Guide
      • Points
      • Planes
      • Lines
      • Angles
      • Triangles
      • Quadrilaterals
      • Circles
  • 2. Points
      • A floating dot in space labeled with a letter.
    A C L Point L Point C Point A
  • 3. Planes
      • A flat surface that expands in all directions
    L C A Plane: LAC
  • 4. Lines
  • 5. Lines
      • A straight path that extends without ends in opposite directions
    A C Line A,C
  • 6. Line Segments
      • A part of a line with two endpoints
    A C Line Segment AC
  • 7. Ray
      • A part of a line with a single endpoint
    A C ray:AC
  • 8. Intersecting
      • Lines that cross at any angle.
    A C T F Line AT intersects line CF
  • 9. Perpendicular
      • Two lines that intersect at a ninety degree angle
    90 degrees
  • 10. Parallel
      • Two line next to each other that never cross
    parallel
  • 11. Skew
      • Two lines that do not intersect but they are not parallel.
    They are not parallel or intersecting
  • 12. Angles
  • 13. Acute
      • An acute angle is less than ninety degrees
    This angle is forty degrees
  • 14. Obtuse
      • A obtuse angle is over ninety degrees
    This is a 120 degree angle
  • 15. Right
      • A right angle is exactly 90 degrees.
    This is ninety degrees
  • 16. Straight
      • A straight angle equals 180 degrees
    180 degrees
  • 17. Vertex
      • The vertex is in the middle
    vertex
  • 18. Complementary
      • Two angles whose measures have a sum of ninety degrees
  • 19. Supplementary
      • Two angles whose measures a sum of 180 degrees
    100 80
  • 20. vertical/opposite
      • A pair of congruent angles form where two lines intersect
    A C T L F 30 30
  • 21. Adjacent
      • Have a common vertex and ray
    A C T L F TLC and CLF are adjacent angles
  • 22. Triangles
  • 23. Right Has one angle that equals 90 degrees 90
  • 24. Obtuse The largest angle is greater than 90 degrees 170
  • 25. Acute The largest angle in the triangle is less than 90 degrees 40
  • 26. Scalene A triangle with no congruent sides
  • 27. Isosceles A triangle with two congruent sides
  • 28. Equilateral A triangle with all sides equal
  • 29. Sum of internal angles The sum when you add all three sides of a triangle 60 60 60
  • 30. Quadrilaterals
  • 31. Quadrilateral Is a shape with four sides
  • 32. Trapezoid A quadrilateral plane figure having one set of parallel sides
  • 33. Parallelogram 2 sets of parallel lines
  • 34. Rectangle Opposite sides are equal
  • 35. Rhombus All four sides are congruent.
  • 36. Square All sides congruent and meet at a right angle.
  • 37. Circle
  • 38. Chords A segment that connects C A
  • 39. Diameter The longest chord on the circle and passes right through the middle A C
  • 40. Arc The distance around the outside edge.
  • 41. Radius Half the length of the diameter
  • 42. Sector A slice of the circles area.
  • 43. Circumference The distance around the circle 7ft
  • 44. Area of a Circle The outside of the circle
  • 45. Other Polygons
  • 46. Pentagon A pentagon has 5 sides
  • 47. Hexagon A six sided shape
  • 48. Octagon Has eight sides