" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
R=2/3 h
P=a²√3/4
a²=4P/√3
a²=4*18√3/√3
a=√(36*2)
a=6√2
h=a√3/2
2/3h=2a√3/(2*3)
R=a√3/3
r=6√2*√3/3
R=2√6
Pk=πR²
Pk=(2√6)²π
Pk=4*6π
Pk=24π [j²]