" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2.phi.r.(r+t) = 188,4
2.3,14.r.(r+20) = 188,4 6,28.r.(r+20) = 188,4
6,28r² + 125,6r - 188,4 = 0
r² + 20r - 30 = 0