Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 43)
On a map, a line is 3cm long. The scale is 1:100000. which statements are true?
The real distance is 300,000 cm.
The real distance is 3 km.
The real distance is 30 km.
The map distance is 300,000 meters.
Vysvětlení
3cm * 100,000 = 300,000cm = 3000m =3km