" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L1=1/2*π*r*r
1/2*3,14*10*10
1,57*10*10
157,00=157cm
L2=alas*tinggi:2
20cm*24cm:2
480cm:2
240cm
L1+L2=397cm(d)