Scale = distance on map: actual distance
= 2cm:100m
= 2 cm: 10000 cm
= 1:5000
2. The actual distance between the two villages is 1500m, and the distance drawn on the picture is 7.5cm Do you know the scale of this picture?
Scale = distance on map: actual distance
= 7.5cm:1500m
= 7.5cm:150000cm
= 1:20000
3. The actual distance from Xiaoke's home to school is about 300m, and the distance on the map is1.5cm. What is the scale of this map?
Scale = distance on map: actual distance
=1.5cm: 300m
= 1.5 cm: 30000 cm
= 1:20000
The distance from Xiaoke's home to the library on the map is 2.5cm. What is the actual distance?
2.5 ÷ 1/20000 = 50000 (cm) = 500 (m)
4。 There is a rectangular playground in the school, which is drawn on the school plan according to the ratio of 1: 500. What are the length and width in centimeters? (length 120m, width 50m).
120m =12000m
50 m = 5000 cm
Changhua
12000× 1/500 = 24 (cm)
Wide painting
5000× 1/500 = 10 (cm)