If the perimeter of a square is 50 cm, then its side is

Options

A. 200 cm
B. 150 cm
C. 25 cm
D. 12.5 cm

Answer

To find the side of a square when the perimeter is given, we can follow these steps:

### Step-by-Step Solution:

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

2. **Identify the Given Information**:
From the question, we know that the perimeter of the square is given as:
\[ P = 50 \text{ cm} \]

3. **Set Up the Equation**:
We can substitute the given perimeter into the perimeter formula:
\[ 4 \times \text{side} = 50 \]

4. **Solve for the Side**:
To find the length of one side, we divide both sides of the equation by 4:
\[ \text{side} = \frac{50}{4} \]

5. **Calculate the Value**:
Now, perform the division:
\[ \text{side} = 12.5 \text{ cm} \]

6. **Conclusion**:
Therefore, the length of one side of the square is:
\[ \text{side} = 12.5 \text{ cm} \]