Calculate the actual ground distance between two point on a map if the map distance between them is 30cm and the scale of the map is 1 : 50 000
To calculate the actual ground distance between two points on a map when you know the map distance and scale, you can use the formula:
Actual ground distance = Map distance / Scale
In this case, the map distance is given as 30 cm and the scale is 1 : 50,000.
1. Convert the scale to a ratio by dividing the first number by the second number:
1 / 50,000 = 0.00002
2. Multiply the map distance by the scale ratio:
30 cm * 0.00002 = 0.0006 km
Therefore, the actual ground distance between the two points on the map is 0.0006 kilometers.