" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
pc = π 81 + π * 9 * 15
pc = 81 π + 135 π = 216 π cm ²
l-15cm
Pp=πr²
Pp=π(9cm)²
Pp=81πcm²
Pb=πrl
Pb=π9*15
Pb=135πcm²
Pc=Pp+Pb
Pc=81π+135π
Pc=216πcm²
Pozdro