Part 7 Scales Flashcards
1
Q
definition of direct statement fraction and how to convert it?
A
1cm-50km
8cm- 400 km
to find the actual distance on a map you measure the distance between two points on the map in centimeters and then calculate the actual distance
2
Q
definition of line scale and how to convert it?
A
A line scale like a special kind of ruler to use on a map
a line scale is normally divided into increments of 1 cm when it isnt you must use the paper method
3
Q
definition of representative fraction and how to convert it?
A
fraction or ratio that shows the relationship of a distance on a map to that on the surface of the earth in equivalent units(m) TO CONVERT AN RF- 1cm=25km 1: 2 500 000 FROM THE DECIMAL POINT U ADD 5 ZEROS
4
Q
name three types of scales
A
direct statement scale
line scale
representative fraction