" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
251,2=2×3,14×r
251,2=6,28r
r=251,2/6,28
r=40cm
t=√s²-r²
=√50²-40²
=√2500-1600
=√900
t=30cm
V=1/3×π×R²×t
=1/3×3,14×40²×30
=50240cm³