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
Similarly this article.
Sorry if there is a wrong word.
The end of word wassalamualaikum wr. wb
Referensi :
- To'Ali's book math group accounting and sales
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