" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
d - podstawa
d=a √2
8= a √2 / :√2
8√2 (w liczniku) √2 (w mianowniku) = a
po skróceniu : 4√2 = a (czyli bok)
obw: 4√2 + 4√2 + 8
obw: 8√2 + 8
0,8dm=8cm
X2=32+42
x2=9+16
x2=25
x=5
Obw=5+5+8=18cm