" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b=2 ×6 cm = 12cm
h= ¾×12cm
p=½(a+b)×h
p=½×18cm×9cm
p=9cm×9cm=81cm²
:):):):):):):) chyba dobrze