" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= √18²-10²
= √224
= 14,9 cm
Lp = 2 × La + Ka × t
= 2 × (1/2 × 20 × 14,9) + (18 + 18 + 20) × 5
= 298 + 280
= 578 cm²