" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
6300 = 3,14.r.r.20
6300=62,8 .r^2
r^2 = 6300 : 62,8
r = akar (100,32)
r = 10,01
r= 10 cm
L= 2.phi.r.t + phi.r.r
L=2.3,14.10.20 + 3,14.10.10
L=1256 + 314
L=1570 cm^2