" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a=dł. boku
2a=4
a=4/2
a=2
h=wysokosc trójkata równobocznego=a√3/2=2√3/2=√3
I EFI =2h=2√3