- In the menu bar under "Select Line", click on "Scale".
- Click on the "Measure Line" button. A ruler will appear on the map.
- In the text box next to the question "One inch on map is equal to how many miles?", type in your answer and click on the red check mark.
- Look in the bottom right 'response text area' for a response to your input.
- If your answer is not correct, follow the hint and try again.
- If the response is "Correct!", go to the menu bar again and click on "Line A-C". Then, click on "Measure Line."
- Next, input an answer to indicate the "Distance on Map" and click on the red check mark.
- If your answer is not correct, follow the hint and try again.
- If the response is "Correct!", input an answer to indicate "Actual Distance" and click on the red check mark.
- If your answer is not correct, follow the hint and try again.
- If the response is "Correct!", input an answer to indicate "Elevation Difference" and click on the red check mark.
- If your answer is not correct, follow the hint and try again.
- If the response is "Correct!", input an answer to indicate "Gradient" and click on the red check mark.
- If your answer is not correct, follow the hint and try again.
- If the response is "Correct!", input an answer to indicate which of the illustrated lines has a slope similar to the line whose gradient you have calculated. Then, click on the red check mark.
- If your answer is not correct, follow the hint and try again.
- If your answer is correct, go to the menu bar and select the next line to work with.
- For curved lines, a straightened line and a ruler will appear in the box under the map
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