A line is graded at 1% and has a run of 18.2 m. Calculate the amount of drop on the line to the nearest millimeter.

To calculate the amount of drop on a line graded at 1%, you can use the following formula:

\[
\text{Drop} = \text{Grade} \times \text{Run}
\]

Where:
- The grade is 1%, or \(1\% = \frac{1}{100} = 0.01\).
- The run is 18.2 meters.

Now calculate the drop:

\[
\text{Drop} = 0.01 \times 18.2 = 0.182 \text{ meters}
\]

To convert this to millimeters:

\[
0.182 \text{ meters} = 0.182 \times 1000 = 182 \text{ millimeters}
\]

So, the amount of drop on the line is **182 millimeters**.

Would you like more details or have any other questions?

Here are 5 related questions for further exploration:
1. How would the drop change if the grade were 2%?
2. How do you convert between different units of measurement, like meters to millimeters?
3. What is the formula for calculating slope and how does it relate to grade?
4. How can you visualize the slope of a line in terms of rise over run?
5. How does the concept of grade apply in real-world engineering projects, such as road construction?

**Tip**: When working with percentages in geometry, always ensure to convert the percentage to a decimal before multiplying for accurate results!

Learn how to calculate the amount of drop on a line graded at 1% with a run of 18.2 meters. Using the formula Drop = Grade × Run and converting the result to millimeters, this problem helps students understand key concepts in geometry and measurement. Suitable for Grades 6-8.

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