P=2ab+2bc+2ac /:2
P/2=ab+bc+ac /-bc
P/2 - bc=ab+ac
P/2 - bc=a(b+c) /:(b+c)
(P/2 - bc)/(b+c)=a
a=(P/2 - bc)/(b+c)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
P=2ab+2bc+2ac /:2
P/2=ab+bc+ac /-bc
P/2 - bc=ab+ac
P/2 - bc=a(b+c) /:(b+c)
(P/2 - bc)/(b+c)=a
a=(P/2 - bc)/(b+c)