" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
penyelesaiannya:1/2 x d1 x d2
:1/2 x 14 cm x 21 cm
:7 cm x 21 cm
:147 cm²
Jadi,hasil dari luas belah ketupat adalah 147 cm²