" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Lp = 2.phi.r (r + t)
132 = 2.phi.r (r + t)
jika d=2× dan t=2x
maka
Lp = 2.phi.2r (2r + 2t)
Lp = (4).2.phi.r (r + t)
Lp = 4 x 132
Lp = 528 cm^2
#CMIIW