" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jika diketahui kelilingnya ,maka r = Keliling : 2π
Jika diketahui Luasnya , maka r = √(Luas : π)
dimana π = 3,14 atau 22/7