" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x = 60/12
x = 5
60 + x + 5y = 180° ( berpelurus)
60 + 5 + 5y = 180
65 + 5y = 180
180-65 = 5y
115 = 5y
y = 23