" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
p.diagnal dua = X pangkat 2 = 13pngkat 2 - 5pngkat 2
X= 12
12+12= 24
L.belah ketupat= 13×24 : 2= 156