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The image displays a page from a book or educational material, likely pertaining to geography or cartography. It features text explaining methods for measuring distances on maps, specifically focusing on curved distances. There are two primary visual elements: a diagram showing a scale bar and a curved line with points labeled 'C' and 'D', and a series of equations and calculations. The text refers to "Fig. 23.5 Measurement of curved distance," indicating it is an illustration for a lesson. The content discusses using a piece of white thread or a straight edge of paper to measure distances and then converting these measurements to actual ground distances using a given Representative Fraction (R.F.) or statement scale. Examples are provided, demonstrating calculations with different scales, such as 1:50,000 and statement scales like "4cm to 1km" or "1:25,000". The overall context is educational, aimed at teaching map reading and distance calculation techniques. There is no information present in the image that indicates the location in the city of Jalingo, Nigeria, nor any details about people, actions, interactions, or the environment specific to that location.
FM-66btC3

Jun 30, 2026, 4:15 PM

Jalingo, Nigeria

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The image displays a page from a book or educational material, likely pertaining to geography or cartography. It features text explaining methods for measuring distances on maps, specifically focusing on curved distances. There are two primary visual elements: a diagram showing a scale bar and a curved line with points labeled 'C' and 'D', and a series of equations and calculations. The text refers to "Fig. 23.5 Measurement of curved distance," indicating it is an illustration for a lesson. The content discusses using a piece of white thread or a straight edge of paper to measure distances and then converting these measurements to actual ground distances using a given Representative Fraction (R.F.) or statement scale. Examples are provided, demonstrating calculations with different scales, such as 1:50,000 and statement scales like "4cm to 1km" or "1:25,000". The overall context is educational, aimed at teaching map reading and distance calculation techniques. There is no information present in the image that indicates the location in the city of Jalingo, Nigeria, nor any details about people, actions, interactions, or the environment specific to that location.

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FM-66btC3

Jun 30, 2026, 4:15 PM

Jalingo, Nigeria

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