" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Pole 4πr2
100 π = 4 x π x r2 / :4
25 π - π r2 / pierwiastek z 2
5 π = πr /skracamy π
r = 5
Objętość = 4/3 x π x r3
Objętość = 4/3 x 125π = 500/3 π
Objętość = 166 2/3 π
4r²=100
r²=25
r=5
V=4/3πr³
V=4/3×π×125
V=166,(6)π cm³