metoda grfica
C |----| A |----|----|+8
B |----|+25
225-(25+8)=192 192:4=48 (c) (48×2)+8=104 (a) 48+25=73 (b)
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\a-latura mare
b-latura mijlocie
c-latura mica
a+b+c=225cm
a:c=2 r=8=>a=2c+8
b:c=1 r=25 =>b = c+25
2c+8+c+25+c=225cm
4c+33cm=225cm
4c= 225cm+33cmy
4c=192
c=48 cm
b= 48 cm + 25 cm
b= 73 cm
a = 2x48cm+8cm
a=96 cm +8 cm
a=104 cm