Elementary Surveying

Problem
The area of a park on a map is 600 mm². If the scale of the map is 1 to 40,000 determine the true area of the park in hectares (1 hectare = 10⁴ m²).

Problem
A 50-m steel tape that is is 0.02 m too long was used to measure the distance between two points A and B. If the measured distance was 160.42 m, calculate the correct distance between A and B.