High School Geometry: List 2

If you feel obtuse when it comes to angles, review this list of geometry terms. You'll learn about planes, polygons, perimeter, and more. It's as easy as pi!

Here are links to our lists in the collection: List 1, List 2, List 3, List 4, List 5
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Full list of words from this list:

words only definitions & notes
  1. coplanar
    lying in the same plane
  2. cosine
    ratio of the adjacent side to the hypotenuse of a right-angled triangle
  3. cross-section
    representing a plane made by cutting across something at right angles to its length
  4. cylinder
    a solid bounded by a round surface and two parallel planes
  5. degree
    a measure for arcs and angles
  6. derive
    reason by deduction; establish by deduction
  7. diagonal
    a straight line connecting nonadjacent vertices of a polygon
  8. diameter
    the length of a straight line through the center of a circle
  9. dissection
    the act of cutting so as to separate into pieces
  10. ellipse
    a closed plane curve with an oval shape
  11. endpoint
    a place where something ends or is complete
  12. equidistant
    exactly as far from one point as from another
  13. equilateral triangle
    a three-sided regular polygon
  14. Euclidean geometry
    (mathematics) geometry based on Euclid's axioms
  15. exterior angle
    the supplement of an interior angle of a polygon
  16. focus
    the concentration of attention or energy on something
  17. formula
    a group of symbols that make a mathematical statement
  18. function
    what something is used for
  19. geometric mean
    the mean of n numbers expressed as the n-th root of their product
  20. hexagon
    a six-sided polygon
Created on Mon Jul 25 16:12:53 EDT 2022 (updated Mon Jul 25 16:19:01 EDT 2022)

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