" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y - dłuższy bok
2x+2y=40
x=3y
2*3y+2y=40
x=3y
6y+2y=40
x=3y
8y=40
x=3y
y=5
x=3*5
y=5
x=15
; ))
b=3a
Ob=40
Ob=2a+2b
40=2a+2*3a
40=2a+6a
40=8a
a=5
b=3a=3*5=15
więc boki mają dlugość 5 i 15
3x dlugi bok
x + x + 3x + 3x = 40
8x = 40
x= 5cm
3x= 3 *5 = 15cm
odp. boki to 5cm i 15 cm