Question

A map is drawn to a scale of 1 : 20 000.

The actual area of the grassland is 2.5 hectares. Calculate the area on the map, giving your answer in square centimetres. ( 1 hectare = 10 000 m² )

pls help thank you:>​

Answer 1

• 0.625 cm²

Explanation:

Scale factor:

• k = 1/20000

When applied to the area consider k² as a scale factor.

The actual area:

• 2.5 hectares = 25000 m² = 25000*100² cm² = 250000000 cm²

The area on the map:

• 250000000 * (1/20000)² = 0.625 cm²