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The distance on the map is 2.5cm, and the scale is 1:20000. What is the actual distance? (unit: km) On the plan with a scale of 1:30, there is a rectangle with a length of 5cm and a width of 4cm, and the actual area is calculated
1)500m 2.5*20000=50000cm=500m=0.5km
2) 5x30 = 150cm = 1.5m 4x30 = 120cm = 1.2m
1.5x1.2 = 1.8 (M2)
Scale: 1:20000, distance on the map: 3cm, actual distance. Distance on the map: 5cm, actual distance: 20km
Scale: 1:20000 distance on the map: 3cm for actual distance. Distance on the map: 5cm for actual distance: 20km for scale. Scale: 1:400000 for actual distance: 100km for distance on the map
Scale: 1:20000 distance on the map: 3cm for actual distance
3x20000 = 60000cm = 600m
Distance on the map: 5cm actual distance: 20km scale
5:2000000=1:400000
Scale: 1:400000 actual distance: 100km distance on the map
10000000 △ 400000 = 25cm
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The scale of 1:20000 shows that the distance of 1cm on the map is equivalent to the actual distance of several centimeters, that is, several kilometers
1:20000 is equal to the distance of 1 cm on the map, which is equivalent to the actual distance of 20000 cm. 20000 cm is 0.2 km
Given that the scale of a map is 1:20000, what is the actual distance between two centimeters on the map?
The original title is two centimeters from ground a to ground B
2 △ 1:20000 = 40000 cm = 400 m
In a picture, 5cm represents the actual distance of 200m. The scale of this picture is 400th
First, we should unify the unit. 200m = 20000cm
Scale = distance on the map / actual distance = 5 / 20000 = 1 / 4000
So the scale of this picture is one in 4000, not one in 400
I went to the first day of junior high school to find the formula
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