# Maths

a map with a scale of 1cm to 5km has an area of 405cmsquare. what is the actual area of this map on the ground?

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1. the scale is 1cm:5km
the area scale is thus 1cm^2:25km^2

multiply that by 405, and you have

405cm^2 : 10125km^2

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posted by Steve
2. the scale is 1 cm:5 km
the area scale thus 1 cm^2:25 km^2

multiply that by 405, and you have

405 cm^2:10125km^2

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posted by pogi

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