For example, a scale of 200 : 1 means that 200 mm on the scale drawing ... smaller units (centimetres). 5 metres is 500 cm. The scale drawing length of 5 centimetres represents the corresponding ...
The scale states that 5 cm represents 2 km ... This is the same as 1 cm representing 200 m. Write both parts of the ratio as centimetre lengths. 1 cm represents 2,500,000 cm.