Successfully reported this slideshow.

Geometric jargon 2

3,217 views

Published on

Geometry Vocabulary

Published in: Education, Sports, Technology
  • Be the first to comment

Geometric jargon 2

  1. 1. Geometric Jargon Slide circle angle line prism cube octagon net
  2. 2. Acute Angle <ul><li>An angle with a measure less than 90  </li></ul>“ What a-cute angle!”
  3. 3. Angle Two rays that share an endpoint              e ang
  4. 4. Area <ul><li>The measure, in square units, of the inside region of the 2-dimensional figure </li></ul>area
  5. 5. Base of a Solid Figure A special face of a solid figure base base
  6. 6. Chord <ul><li>A line segment that joins </li></ul><ul><li>any two points on a circle </li></ul>Chord AB chord A B
  7. 7. Circle <ul><li>A closed curve with all its points in one plane and the same distance from the center </li></ul>Circle Circle
  8. 8. Circumference <ul><li>The perimeter of a circle </li></ul>Circumference
  9. 9. Cone <ul><li>A 3-dimensional figure with 1 curved surface, 1 flat surface (usually circular), 1 curved edge, and 1 vertex </li></ul>cone CONE
  10. 10. Compass <ul><li>A tool used to draw circles </li></ul>COM PASS
  11. 11. Co n grue n t <ul><li>Having exactly the same size and shape </li></ul><ul><li>  </li></ul><ul><li>  </li></ul><ul><li>  </li></ul><ul><li> </li></ul>co grue t n n
  12. 12. Coordinate Grid <ul><li>A two-dimensional system in which the coordinates of a point are its distances from two intersecting perpendicular lines called axes </li></ul>Coordina e x y
  13. 13. Coordinates <ul><li>An ordered pair of numbers that gives the location of a point on a coordinate grid </li></ul>(5,2) (3,9) (9,0) co o r dinates ,
  14. 14. Cube <ul><li>A regular solid with 6 congruent square faces </li></ul>Square face Square face
  15. 15. Cylinder <ul><li>A 3-dimensional figure with 2 parallel and congruent circles as bases, 1 curved surface, 2 curved edges, and 0 vertices </li></ul>edges curved surface base CYLINDER
  16. 16. Diagonal <ul><li>A line segment that joins two vertices of a polygon but is not a side of the polygon </li></ul>diagonal
  17. 17. Diameter <ul><li>A chord that goes through the center of a circle </li></ul>diameter
  18. 18. Edge <ul><li>The line segment where two faces of a solid figure meet </li></ul>Edge edge edge
  19. 19. Equilateral Triangle <ul><li>A triangle with all sides the same length </li></ul>equil teral
  20. 20. Face <ul><li>A plane figure that serves as one side of a solid figure </li></ul>face face
  21. 21. Height <ul><li>The length of a perpendicular line segment from a vertex to the base </li></ul>height
  22. 22. Hexagon <ul><li>A polygon with 6 sides </li></ul>Hexagon HEX AGON
  23. 23. Intersecting Lines <ul><li>Lines that meet or cross at a common point </li></ul>in ersec ing lines
  24. 24. Isosceles Triangle <ul><li>A triangle that has two congruent sides </li></ul>Congruent Sides
  25. 25. Kite <ul><li>A quadrilateral with two pairs of adjacent congruent sides </li></ul>e ki
  26. 26. Length <ul><li>The distance along a line </li></ul><ul><li>or figure from one point </li></ul><ul><li>to another </li></ul>length LENGTH
  27. 27. Line <ul><li>An infinite set of points forming a straight path that goes in two directions without end </li></ul>ine
  28. 28. Line Segment <ul><li>A part of a line defined by two endpoints </li></ul><ul><li>  </li></ul>segmen
  29. 29. Line of Symmetry <ul><li>A line that divides a figure into two congruent halves that are mirror images of each other </li></ul>S R M M Y T E Y
  30. 30. Net <ul><li>A 2-dimensional shape that can be folded into a 3-dimensional figure is a net of that figure </li></ul>N E net of a cube
  31. 31. Obtuse Angle <ul><li>An angle with a measure greater than 90º and less than 180º </li></ul>obtuse angle
  32. 32. Parallel Lines (l l) <ul><li>Lines that never intersect (always the same distance apart) </li></ul>el para
  33. 33. Parallelogram <ul><li>A quadrilateral with two pairs of parallel and congruent sides </li></ul>parallelogram
  34. 34. Pentagon <ul><li>A polygon with 5 sides </li></ul>AGON PENT
  35. 35. Pe rim eter <ul><li>The distance around a figure </li></ul>
  36. 36. Perpendicular lines <ul><li>Lines that intersect to form right angles </li></ul>
  37. 37. Plane <ul><li>A flat surface that extends infinitely in all directions </li></ul>
  38. 38. Polygon <ul><li>A closed plane figure formed from line segments that meet only at their endpoints </li></ul>n
  39. 39. Prism <ul><li>A 3-dimensional figure that has two congruent and parallel faces that are polygons. The rest of the faces are parallelograms. </li></ul>prism
  40. 40. Pyramid <ul><li>A polyhedron whose base is a polygon and whose other faces are triangles that share a common vertex </li></ul>
  41. 41. Quadrilateral <ul><li>A polygon with 4 sides </li></ul>ua RILATERAL
  42. 42. Radius <ul><li>The segment, or the length of the segment, from the center of the circle to any point on the circle </li></ul>radius
  43. 43. Ray <ul><li>A part of a line that has one endpoint and extends indefinitely in one direction </li></ul>ra
  44. 44. Rectangle <ul><li>A quadrilateral with two pairs of congruent, parallel sides and four right angles </li></ul>rectangle
  45. 45. Rectangular Prism <ul><li>A prism with 6 rectangular faces </li></ul>rectangu ar prism
  46. 46. Reflection (flip) <ul><li>A transformation creating a mirror image of a figure on the opposite side of a line </li></ul>reflection reflection
  47. 47. Rhombus <ul><li>A parallelogram with all 4 sides equal in length </li></ul>rh mbus
  48. 48. Right Angle <ul><li>An angle that measures exactly 90º </li></ul>angle right
  49. 49. Rotation (turn) <ul><li>A transformation in which a figure is turned a given angle and direction around a point </li></ul>ro ation t t t t
  50. 50. Scalene Triangle <ul><li>A triangle that has no congruent sides </li></ul>
  51. 51. Similar Figures <ul><li>Figures that have the same shape, but not necessarily the same size </li></ul>s m lar i i
  52. 52. Sphere <ul><li>A 3-dimensional figure made up of all points that are equally distant from a point called the center </li></ul>S here
  53. 53. Square <ul><li>A parallelogram with 4 congruent sides and 4 right angles </li></ul>SQUARE
  54. 54. Square Pyramid <ul><li>A pyramid with a square base </li></ul>
  55. 55. Straight Angle <ul><li>An angle with a measure of 180º </li></ul>straight ang e
  56. 56. Tessellation <ul><li>A covering of a plane without overlaps or gaps using combinations of congruent figures </li></ul>ation e te
  57. 57. Three-Dimensional <ul><li>An object that has length, width, and height </li></ul>
  58. 58. Translation (slide) <ul><li>A transformation that slides a figure a given distance in a given direction </li></ul>translation translation'
  59. 59. Trapezoid <ul><li>A quadrilateral with exactly two parallel lines </li></ul>
  60. 60. Triangle <ul><li>A polygon with three angles and three sides (“tri” means 3) </li></ul>TRI ANGLE
  61. 61. Triangular Pyramid <ul><li>A pyramid with a base that is a triangle </li></ul>
  62. 62. Two-Dimensional <ul><li>A figure that has length and width , but not height </li></ul>
  63. 63. Vertex <ul><li>The point at which two line segments, lines, or rays meet to form an angle . Also, a point on a polyhedron where three or more faces intersect. </li></ul>ertex
  64. 64. Volume <ul><li>The number of cubic units it takes to </li></ul><ul><li>fill a solid </li></ul>Volume = 12 cubic units Volume
  65. 65. Width <ul><li>One dimension of a 2- or 3- dimensional figure </li></ul>width width

×