" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
8x -1=25
8x=24
x= 3
pendek = 2x-1= 6-1=5cm
25 = x + 3 + 2x - 1 + 5x -1
25 = 8x + 1
24 = 8x
x = 3
S1 = 3 + 3 = 6
S2 = 2 x 3 - 1 = 5
S3 = 5 x 3 - 1 = 14
jadi sisi yg pendek adalah 5 cm (yang 2x - 1)