" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
K = 20 cm
p : l = 3 : 1
Maka,
K = 2(p + l)
20 = 2(p + l)
10 = p + l
Sehingga,
p = 3/4 x 10
= 7,5 cm
l = 1/4 x 10
= 2,5 cm
Jadi, panjang = 7,5 cm dan lebar = 2,5 cm
lebar :: 1 * 2,5 = 2,5
* = kali