" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
80 = 4S
S= 20
Luas permukaan = 2 (SxS) + 4 (SxT)
2640 = 2 (20x20) + 4 (20xT)
2640= 800 +80+4T
2640-880 = 4T
1760 = 4T
T=440