" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4s = 80
s = 80/4
s = 20
Luas = s²
= 20²
= 400 cm²
K = 80 cm
maka :
K = 4 x sisi
80 = 4 x sisi
sisi = 80/4
sisi = 20 cm
L = sisi x sisi
= 20 x 20
= 400 cm²