" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
17^2=l^2+(l+7)^2
289 = l^2 + l^2 +14l +49
2l^2 + 14l =240
l = 8
maka
p = 8 + 7 = 15
L = 15 * 8 = 120