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distance| The space between two points. Distance is normally measured using centimetres, metres, and kilometres. |
| Straight-line distances on a map can be easily measured with a ruler or straight edge. Simply convert the ruler measurement to distance, using the scale provided on the map. Twisting routes can be measured with a length of string, which is then straightened and measured in the normal way. For an object travelling at a constant speed the distance travelled can be calculated using the equation: |
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