" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
k=2•2x(x+3)•2•(x+4)
k=2•2x²+6x•2x+8
k=4x²+12x²+8
128cm=16x²+8
128cm-8cm=16x²
120cm=16x²
120/16=x²
7,5=x²
x=√7,5
x=2,73cm
maka p=2x(x+3)
=2•2,73(2,73+3)
=5,46•5,73
=31,2858cm