" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a=8cm
b=9cm
a'=20cm
b'=?
k=a':a=20cm:8cm=2,5
b'=b*k
b'=9cm*2,5=22,5cm
Obw=2a'+2b'
Obw=2*20cm+2*22,5cm=40cm+45cm=85cm
Obwod tego postokata wynosi 85 cm ;))