" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
432=(d₁.2/3d₁)/2
432=d₁²/3
144=d₁²
d₁=12
d₂=2/3d₁=2/3.12=8 dm
s=√(d₁/2)²+(d₂/2)²
s=√(12/2)²+(8/2)²
s=2√13 dm
maka
a. panjang diagonal belah ketupat
d₁=12 dm
d₂=8 dm
b. keliling belah ketupat
k=4s
k=4.2√13
k=8√13 dm