" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
210=5×6×t
210=30t
t=210:30
t=7
jadi jaring jaring balok=keliling balok=4×(p+l+t) =4(5+6+7)=4×18=72cm