" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a=7cm
2*7+2b=40
14+2b-40
2b=40-14
2b=26/:2
b=13
Odp: Drugi bok ma długość 13cm
a= 7cm b=?
Ob= 2a + 2b
40= 2*7 + 2b
40= 14 + 2b /-14
26 = 2b /:2
b= 13cm
:):):)
40cm-14=26
26:2=13
Odp.Drugi bok ma 13 cm