" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
h=5:⅔=7,5cm
h=a√3:2=7,5cm
a√3=15
a=15√3:3=5√3
Pp=a²√3:4=(5√3)²√3:4=18,75√3cm²
c= krawędź boczna
c=5+8=13cm
h bryły=√13²-5²=12cm
v=⅓×18,75√3×12=75√3cm³