" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L 2 = 1/2 × a× t = 1/2 ×4×2 = 4
L 3 = 1/2 × (a+b) × t = 1/2 × (4+6) × 3 = 15
L total = L1+ L2 + L3 = 20 + 4 + 15 = 29
maaf kalau salah