" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
h=6cm
Pb=4×½ah=2×5×6=60cm²
P = a*h : 2
P = 5 * 6 : 2
P = 30 : 2
P = 15
Pb = 4 * 15
Pb = 60 cm²
Pb=4*5*6
Pb=120