To determine the height of the point marked X, we need to analyze the information provided, which likely includes a topographic map or a similar representation. Since we don't have the visual data, I will guide you through the general process of interpreting such data to arrive at the correct answer.
Step-by-Step Explanation
- Understanding Topographic Maps:
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Topographic maps use contour lines to represent elevation. Each contour line connects points of equal elevation. The spacing between these lines indicates the steepness of the terrain; closely spaced lines suggest steep slopes, while widely spaced lines indicate gentle slopes.
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Identifying Contour Lines:
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If the height of point X is marked on a topographic map, it will be located near certain contour lines. The height of point X can be estimated by looking at the nearest contour lines above and below it.
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Estimating Height:
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For example, if point X is located between the 560m and 580m contour lines, you can estimate its height to be somewhere between these two values. If it is closer to the 580m line, you might estimate it to be around 570m, and if it is closer to the 560m line, it might be around 565m.
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Using Interpolation:
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If the contour lines are spaced evenly, you can use interpolation to find a more precise height. For instance, if point X is one-quarter of the way from the 560m line to the 580m line, you would calculate:
[
\text{Height} = 560m + \left(\frac{1}{4} \times (580m - 560m)\right) = 560m + 5m = 565m
]
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Final Decision:
- After estimating the height using the contour lines and interpolation, you would compare your estimate to the provided options (A, B, C, D).
Analyzing the Options
- Option A: 572m - This option is not supported by the contour lines if they indicate a lower height.
- Option B: 582m - This option is likely too high if point X is below the 580m contour line.
- Option C: 592m - This option is also too high, as it exceeds the highest contour line in the vicinity of point X.
- Option D: 562m - This option is plausible if point X is just above the 560m contour line, making it the most reasonable choice based on the analysis.
Conclusion
The correct answer is
D. 562m. This conclusion is drawn from the understanding of how to read contour lines and estimate heights based on their proximity to point X.
Revision Summary
- Topographic maps use contour lines to indicate elevation; each line represents a specific height.
- Estimate the height of a point by identifying the nearest contour lines and using interpolation if necessary.
- Compare your estimated height with the provided options to select the most accurate one.
- Always check the context of the question to ensure that your interpretation aligns with the data presented.
By following these steps, you can effectively determine the height of points on topographic maps and similar geographical representations.