" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Pb=36 cm²
a-krawędź
P=a²√3/4
36=a²√3/4 /×4
144=a²√3 /÷√3
144/√3 = a²
a= √144 / √√3
a≈12 /1,34
a≈9
Pp=9²
Pp=81 cm²
Pc=36 + 81=117 cm²
Możesz załączyć screena tego zadania ???