This fraction is usually abbreviated as R. F. Thus, Representative Fraction (R.F.) (It could also be shown as l/50 000, but this form is not as common.) By convention, the proportion is expressed as a "representative fraction" in which map distance (D m) is reduced to 1. Share 7. A representative fraction is the scale shown in a map as a ratio. Large scale maps will have a RF of 1:50,000 or greater (i.e. 1/2500 18 Asked by Wiki User. A Direct statement scale uses words to describe the relationship between a distance on a map and a specific distance on Earth's surface. (No drawing work, only explaining their meanings). An RF is a ratio and is shown as follows: 1:50 000. 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. 2009-01-03 06:40:01. Map scale is the proportion between a distance on a map and a corresponding distance on the ground: (D m / D g). This can be shown as 1:50, 000 or 1/50, 000. The length and width of the field, on the map is 10 cm and 8 cm respectively. Reading and using statement of scale graphic scale and scale shown by representative fraction method? A large scale map refers to one which shows greater detail because the representative fraction (e.g. 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 proportion, or ratio, is also typically expressed in the form 1 … Bar scales show scale using a … reading and using statement of scale,graphic scale and scale shown by representative fraction method Share with your friends. Bar Scales. 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. 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. Its RF will be_____. Wiki User Answered . Representative Fraction (RF) Scale The third method for showing scale is the representative fraction scale. Representative Fraction is also known as Numerical Function. (c) Reading and using statement of scale, graphic scale and scale shown by representative fraction method. How Scale is Shown on a Map. Top Answer. 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. 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. 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). Scale is often represented as a ratio between the real world size and the size in units on the map. Statement of Scale: The scale of a map may be … 1:10,000). 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