" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
h=a√3/2
a√3/2=1
a√3=2
a=2/√3
a=2√3/3
obw=7a=7*2√3/3=14√3/3
P=7*a²√3/4
P=7*(2/√3)²√3/4
P=7*(4/3)√3/4
P=7√3/3