" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
zaś l=a√2
a√2=3√2
a=3cm
czyli r=3cm
h=3cm
v=⅓πr²h=⅓π×3²×3=9πcm³
pole=πr²+πrl=π×3²+π×3×3√2=9π+9√2π=9π(1+√2)cm²