" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
h=8
P= ((a+2a)*h):2
54=(3a*8):2 /*2
108=3a*8 /:8
108:8 = 3a
13,5 = 3a /:3
4,5 = a - krótsza podstawa
4,5*2=9 - dłuższa podstawa