Bar Scales. This fraction is usually abbreviated as R. F. Thus, Representative Fraction (R.F.) By convention, the proportion is expressed as a "representative fraction" in which map distance (D m) is reduced to 1. Representative Fraction is also known as Numerical Function. Representative Fraction: It is a method of scale of a map or plan expressed as a fraction showing the ratio between a unit distance on the map or plan, and the distance measured in the same units on the ground. The proportion, or ratio, is also typically expressed in the form 1 … A representative fraction is the scale shown in a map as a ratio. 13 14 15. 1/2500 18 (Recognizing the symbols and colors used, identifying directions and distances). Representative Fraction (RF) Scale The third method for showing scale is the representative fraction scale. (d) Reading of one town guide map or an atlas map. A line of 1 meter length is shown by 1 cm on the drawing sheet. Asked by Wiki User. A large scale map refers to one which shows greater detail because the representative fraction (e.g. reading and using statement of scale,graphic scale and scale shown by representative fraction method Share with your friends. Its representative fraction (RF) is _____ 1/100 16 The size of the letter is described by its _____ height 17 The area of a field is 50000 m2. Reading and using statement of scale graphic scale and scale shown by representative fraction method? How Scale is Shown on a Map. See Answer. A representative fraction, or RF, shows the relationship between one of any unit on the map and one of the same unit on the ground. The length and width of the field, on the map is 10 cm and 8 cm respectively. A representative ratio of 500,000:1 shown on a map means that one unit of distance in the map equals 500,000 units of distance on the territory. Its RF will be_____. Statement of Scale: The scale of a map may be … Other scale types - click on each phrase to go to the detailed glossary entry. There are three main ways that scale is indicated on a map: graphic (or bar), verbal, and representative fraction (RF). In this case, the ratio existing between the length on the map and actual length on the ground is indicated by a fraction whose numerator is always 1. 1/25,000) is a larger fraction than a small scale map which would have an RF of 1/250,000 to 1/7,500,000. (No drawing work, only explaining their meanings). Maps are often known as large scale or small scale. 2009-01-03 06:40:01. This can be shown as 1:50, 000 or 1/50, 000. Bar scales show scale using a … Top Answer. Scale is often represented as a ratio between the real world size and the size in units on the map. (c) Reading and using statement of scale, graphic scale and scale shown by representative fraction method. RFs may be shown as an actual fraction, for example 1/24,000, but are usually written with a colon, as in 1:24,000. Large scale maps will have a RF of 1:50,000 or greater (i.e. Share 7. Wiki User Answered . (It could also be shown as l/50 000, but this form is not as common.) Graphic map scale: Fractional map scale: The fractional method for portraying the scale of a map uses a representative fraction to describe the ratio between the map and the real world. Map scale is the proportion between a distance on a map and a corresponding distance on the ground: (D m / D g). A Direct statement scale uses words to describe the relationship between a distance on a map and a specific distance on Earth's surface. An RF is a ratio and is shown as follows: 1:50 000. 1:10,000). This RF scale means that 1 unit on the map represents 50 000 of the same units on Earth's surface. 1:50 000 this RF scale means that 1 unit on the map represents 50 000 of field! 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