" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
b - x+10
4x+20=69cm
4x=69-20
4x=49cm/4
x= 12,25cm
a - 12,25cm
b - 12,25+10=22,25cm