" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b=0.2 dm=2cm
c=4 cm
Pc=2(ab+bc+ac)
Pc=2((3*2)+(2*4)+(3*4)
Pc=2(6+8+7)
Pc=2*21
Pc=42 cm(kwadratowych)