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Name: Date: Geography 12 Scale Exercises A) Convert the following representative fractions into verbal scales. 1× 1:90 000 2× 1:250 000 3× 1:15 000 B) Convert the following verbal scales into representative

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How to fill out representative fraction:

1. Start by understanding what the representative fraction (RF) is. The RF is a way to represent a map's scale, and it is expressed as a ratio or fraction. For example, a RF of 1:25,000 means that one unit on the map represents 25,000 units in the real world.
2. Locate the RF on your map. It is usually found in the map's legend or key. It may be written as a ratio (e.g., 1:50,000) or as a fraction (e.g., 1/50,000).
3. Determine the units of measurement used in the RF. The first number of the ratio or the numerator of the fraction represents the map units, while the second number or denominator indicates the corresponding real-world units.
4. Take the first number of the RF and use it as the numerator. This represents the distance or length on the map.
5. Take the second number of the RF and use it as the denominator. This represents the distance or length in the real world.
6. To calculate the actual length in the real world, divide the distance on the map by the denominator of the RF. For example, if the distance on the map is 5 units and the RF is 1:50,000, divide 5 by 50,000 to get the actual length.

Who needs representative fraction:

1. Cartographers and mapmakers require representative fractions to accurately depict the scale of a map. It allows them to convey the relationship between map distances and real-world distances.
2. Surveyors use representative fractions to represent measurements and distances on surveying plans. This helps them accurately measure and plot land boundaries, buildings, and other features.
3. Architects and engineers often rely on representative fractions when creating blueprints or diagrams. It enables them to accurately represent the size and dimensions of structures, ensuring precise construction.
4. Geographers and researchers utilize representative fractions to analyze and compare spatial data. By understanding the scale of maps, they can make accurate interpretations and conclusions about geographic patterns and phenomena.

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What is representative fraction?

Representative fraction is a scale used to represent the proportion between a distance on a map and the actual distance on the ground.

Who is required to file representative fraction?

Individuals or businesses that are involved in cartography, map-making, or surveying may be required to file representative fraction.

How to fill out representative fraction?

To fill out representative fraction, measure the distance on the map and divide it by the corresponding distance on the ground to determine the scale factor.

What is the purpose of representative fraction?

The purpose of representative fraction is to accurately depict distances on a map in relation to the actual distances on the ground.

What information must be reported on representative fraction?

The information that must be reported on representative fraction includes the scale factor used and the specific distances measured on the map and on the ground.