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To solve this problem:

The scale on the map is **1 : 50,000**, meaning that **1 cm on the map** corresponds to **50,000 cm in real life**.

1. The road is **8 cm** long on the map.
   
2. Using the scale factor, we calculate the actual length of the road in real life:

\[
\text{Real length} = 8 \, \text{cm} \times 50,000 = 400,000 \, \text{cm}
\]

3. To convert **400,000 cm** to kilometers, we use the fact that **100,000 cm = 1 km**:

\[
\text{Real length} = \frac{400,000}{100,000} = 4 \, \text{km}
\]

So, the real length of the road is **4 kilometers (km)**.

Would you like further details or clarifications?

Here are 5 related questions for practice:
1. If a road is 10 cm long on a map with a scale of 1:50,000, what is the real length in kilometers?
2. How long is a 5 cm road on a map with a 1:100,000 scale in real life?
3. Convert 600,000 cm to kilometers.
4. What is the real-life distance if a 12 cm line on the map is scaled at 1:25,000?
5. How would you convert a road of 7 cm on a map at a scale of 1:20,000 to meters?

**Tip**: Always check units when converting distances, especially between cm and km!

The scale on a map is 1 : 50,000. If a road is 8 cm long on the map, how long is the road in real life? Give your answer in kilometres (km).

Discover how to convert an 8 cm map measurement into real life distance using a scale of 1:50,000, including the conversion from centimeters to kilometers. Suitable for students in Grades 7-9 looking to understand map scales and unit conversions.

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