" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
V=⅓π×(3)²x4
V=⅓π×9×4
V=⅓π×36
V=12π
Pc=πr²+πrl
l²=H²+r²
l²=3²+4²
l²=9+16
l²=25 /√
l=5
Pc=πx(3)²+πx3x5
Pc=9π+15π
Pc=24π