" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L = Phi r^2 = 64 phi cm^2 *phinya coret
r^2 = 64
r = √64
= 8 cm
D = 2r
= 2x 8
= 16 cm