" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a-krawędź
12a = 48 cm /:12
a = 4 cm
12a = 48cm
a = 4cm
Pc = 6a² = 6 x 16cm² = 96cm²