STAAR Grade 8 Mathematics: Geometry and Measurement, List 1

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Full list of words from this list:

words only definitions & notes
  1. acute
    (of an angle) less than 90 degrees
  2. angle
    the space between two lines or planes that intersect
  3. axis
    a straight line through a body or figure
  4. congruent
    coinciding when superimposed
  5. coordinate
    a number that identifies a position relative to an axis
  6. dimension
    one of three coordinates that determine a position in space
  7. formula
    a group of symbols that make a mathematical statement
  8. obtuse
    of an angle, between 90 and 180 degrees
  9. origin
    the point of intersection of axes on a coordinate plane
  10. parallel
    being everywhere equidistant and not intersecting
  11. plane
    an unbounded two-dimensional shape
  12. proportion
    relation with respect to comparative quantity or magnitude
  13. quadrant
    any of the four areas into which a plane is divided
  14. ratio
    relation with respect to comparative quantity or magnitude
  15. reflection
    transformation in which the direction of an axis is reversed
  16. rotation
    a transformation in which the coordinate axes are turned
  17. scale
    the ratio between the size of a thing and its representation
  18. similar
    marked by correspondence or resemblance
  19. transformation
    a change in the position of a figure on a coordinate plane
  20. unit
    a division accepted as a standard of measurement or exchange
  21. dilation
    a transformation that changes the size of a figure
  22. supplementary
    (of angles) equaling 180 degrees when added together
  23. complementary
    (of angles) equaling 90 degrees when added together
  24. similar
    having the same shape and angle measurements
Created on Thu Sep 30 16:05:25 EDT 2021 (updated Wed Oct 27 12:00:50 EDT 2021)

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