An area of `10^4` `m^2` is called ……………… .

Answer

To solve the question, we need to identify what an area of \(10^4 \, \text{m}^2\) is commonly referred to in terms of measurement units.

### Step-by-Step Solution:

1. **Understanding the Area Measurement**:
- The area is given as \(10^4 \, \text{m}^2\). This is a specific measurement of area in square meters.

2. **Identifying Common Area Units**:
- In the metric system, there are standard units for measuring area. One of the most common units is the hectare.

3. **Conversion to Hectares**:
- By definition, 1 hectare is equal to \(10^4 \, \text{m}^2\). Therefore, we can conclude that:
\[ 10^4 \, \text{m}^2 = 1 \, \text{hectare} \]

4. **Conclusion**:
- Thus, an area of \(10^4 \, \text{m}^2\) is called **1 hectare**.

### Final Answer:
An area of \(10^4 \, \text{m}^2\) is called **1 hectare**.