Răspuns:
30cm=0,3 m
Explicație pas cu pas:
fie x-QR
c.TFA : [tex]\frac{x}{x+15}[/tex]=[tex]\frac{44}{22}[/tex]=2
2x+30=x
x=30
30
PT=22
[tex]\frac{RQ}{PQ} = \frac{RS}{PT}[/tex]
[tex]\frac{RQ}{44} =\frac{15}{22} , RQ=\frac{15*44}{22} =30[/tex]
