2. Distance on the map: The actual distance is10km =10km =1000000cm.
=20: 1000000
= 2cm =1000000cm
= 1cm=500000cm
= 1:500000
The scale of this map is 1: 500000.
3.15 * 6000000 = 9000000 cm 9000000 cm = 900km A: The actual distance from Nanjing to Beijing is about 900 km.
4.18cm =180mm
Distance on the map: actual distance
180: 15
=180mm =15mm
= 1 2mm =1mm
= 12: 1
A: The scale on this map is 12: 1.
5、 13*200=2600cm
7*200= 1400cm
2600 cm = 26 m
1400cm= 14m
26* 14=364 cm2
A: The actual area of the basketball court is 364 square centimeters.