Map A And B describe the same region. Map A has no scale and the scale of map B is 1 : 200,000.on map A The distance between points X and Y is 2 cm Meanwhile th

Map A And B describe the same region. Map A has no scale and the scale of map B is 1 : 200,000.on map A The distance between points X and Y is 2 cm
Meanwhile the distance between points X and Y on map B is 10 cm. The scale of map A is