Circles

  1. measure of an arc
    an arc's measure (in degrees) is he measure of its central angle
  2. minor arc
    an arc whose measurement is between 0-180 degrees. Named with 2 letters
  3. Major arc
    measurement between 180-360 degrees. Named with 3 letters
  4. semicircle
    an arc with 180 degrees. Named with 3 letters
  5. circumference
    d x 3.14
  6. length of an arc
    m of arc/360 = l of arc/circumference
  7. area of a circle
    Pi r^2
  8. area of a sector
    m/360 = area of setor/area of circle
  9. concentric circles
    circles with the same center
  10. area of base
    Pi r^2
  11. lateral area
    LA= Ceircumference x height
  12. Surface area
    • SA= LA + 2B
    • or diameter x height x pi
  13. volume
    basae x height
Author
AnnaIsCool
ID
84021
Card Set
Circles
Description
circles and crap
Updated