" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
q=12
P=p*q/2
P=16*12/2=96 [cm²]
p=a*h
h=12*0,8=9,6
96=a*9,6
a=9,6/96
a=10 cm
Obwód=10*4=40cm
ob=32 cm
Obwód
12cm*20%=2,4cm
12cm-2,4cm=9,6cm