Convert the as directed
`2.6` sq cm into sq. mm

Answer

To convert `2.6` square centimeters (cm²) into square millimeters (mm²), follow these steps:

### Step 1: Understand the conversion factor
We know that:
1 centimeter (cm) = 10 millimeters (mm)

### Step 2: Convert square centimeters to square millimeters
Since we are dealing with square units, we need to square the conversion factor:
1 square centimeter (cm²) = (10 mm)² = 100 mm²

### Step 3: Set up the conversion for 2.6 square centimeters
Now, we can convert `2.6` square centimeters to square millimeters:
2.6 cm² = 2.6 × 100 mm²

### Step 4: Calculate the result
Now, perform the multiplication:
2.6 × 100 = 260 mm²

### Final Answer
Therefore, `2.6` square centimeters is equal to `260` square millimeters (mm²).

---