" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2(x+7) = (6x +22)/2
4(x+7) = 6x + 22
4x + 28 = 6x + 22
28 - 22 = 6x - 4x
6 = 2x
x = 3
maka panjang diagonalnya = 2(x+7)
= 2(3+7)
= 2.10
= 20