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Circle Formulas

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Information:
  • O = is the center point of the circle
  • OA = OB is the radius of the circle
  • AB is the diameter
  • The curve line of the CD is a circular arc
  • The CD is a circular cord
  • POQ archive is a circle juring
  • The CSD archive is a circle tembereng
  • OS is apothem

Formula of Circle Area

A = π r2

Information
A = Area
r = Jari-jari

Formula of circumference Circle

C = 2πr

Information:
C = Circumference Circle
r = radius

Length of Circular Arc Formula

Arc length = a / 360 x 2 phi r

Information:
a = large corner of the center of the circle
r = radius

Formula of juring Area Circle

Juring Area = a/360 x πr2

Information:
a = Large corner of center of circle
r = radius

Formula of Circumference Juring Circle

Circumference Juring = length of arc + 2r

Information:
r = Radius

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The end of word wassalamualaikum wr. wb

Referensi :
  • To'Ali's book math group accounting and sales

Sumber http://matematikaakuntansi.blogspot.com

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