" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
e=2√3
obw.=4*8=32<cm>
2√3/2=√3
√3²+f²=8²
3+f²=64
f²=61
f=√61<cm>
P=e*f/2=2√3*√61/2=2√183/2=√183<cm²>