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Geometry

  1. the study that deals with the properties, measurements, and construction of flat figures
    geometry
  2. geometric figure
    shape
  3. limited portion of a line
    line segment
  4. segments whose end points can be made to coincide
    equal segments
  5. divides a line into 2 equal parts
    midpoint
  6. two points that separate a line into 3 equal parts
    trisection point
  7. figure formed by two strait lines drawn by the same point
    angle
  8. angles whose sides can been made to coincide
    equal angle
  9. a line drawn from vertex that divides an angle in two equal parts
    angle bisector
  10. an angle formed by one complete revolution of a line (360)
    paragon
  11. an angle whose sides form a strait line threw the vertex
    strait angle
  12. angles with the same vertex and a common side between them
    adjacent angle
  13. angles formed when two strait lines meet to form equal adjacent angles
    right angle
  14. lines that meet to form right angles
    perpendicular lines
  15. an angle less than a right angle
    acute angle
  16. greater than a right angle and less than a strait angle
    obtuse angle
  17. an angle greater than a strait angle, but less than a paragon
    reflex angle
  18. angles whose sides are neither parallel nor perpendicular
    oblique angles
  19. instrument used to measure
    protractor
  20. a figure bounded by 3 st. lines
    triangle
  21. line from a vertex to a midpoint to the opposite side
    median
  22. a line from a vertex perpendicular to the opposite side
    altitude
  23. a triangle having no 2 sides
    scalene
  24. a triangle having at least 2 sides equal
    isosceles
  25. a figure bounded by strait lines
    polygon
  26. ε of the angles of a polygon =
    (n-2)180
  27. a diagonal from a vertex in a polygon creates how many triangle
    2 less triangles than the # of sides
  28. a diagonal from the interior side of a polygon creates how many triangles
    one less triangle than the # of sides
  29. polygon both equilateral and equiangular
    regular polygon
  30. formula for central angle
    theta = 360÷n
Author
Rayna
ID
322413
Card Set
Geometry
Description
A Beka
Updated

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