" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
BD = 35 cm
AB=BC
AC=AD=DC
50cm = AB+BC+AC
50 = 2 AB+AC /:2
25 = AB+ 1/2AC (AC=AD)
25=AB+AD
teraz mniejszy trójkąt
AB+BD+AD=35cm
AB+AD=35-BD
czyli
25=35-BD
BD=10cm