" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
d=5cm
r=1/2d=2,5cm
P=pi*r^2
P=2,5^2*pi=6,25*picm^2
2.
e=2V2
f=4cm
P=ef/2
P=2V2*4/2=4V2 cm^2
3.
r=3
h=4
l=5 ( trójkat pitagorejski 3 4 5 )
Pb=pi*rl
Pb=3*5*pi=15*pi[j^2]