Find the perimeter of :
a square of side 7.4 cm.

Options

A. `=30.6` cm.
B. `=32.6` cm.
C. `=35.6` cm.
D. `=29.6` cm.

Answer

To find the perimeter of a square with a side length of 7.4 cm, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the formula for the perimeter of a square**:
The perimeter (P) of a square is calculated using the formula:
\[ P = 4 \times \text{side} \]

2. **Identify the length of the side**:
In this case, the side length of the square is given as 7.4 cm.

3. **Substitute the side length into the formula**:
Plug the value of the side into the perimeter formula:
\[ P = 4 \times 7.4 \, \text{cm} \]

4. **Perform the multiplication**:
Now, calculate the value:
\[ P = 4 \times 7.4 = 29.6 \, \text{cm} \]

5. **State the final answer**:
Therefore, the perimeter of the square is:
\[ \text{Perimeter} = 29.6 \, \text{cm} \]