A square has

Options

A. one line of symmetry
B. two lines of symmetry
C. three lines of symmetry
D. four lines of symmetry

Answer

To determine how many lines of symmetry a square has, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the concept of lines of symmetry**: A line of symmetry is a line that divides a shape into two identical halves. Each half is a mirror image of the other.

2. **Draw a square**: Start by sketching a square. A square has four equal sides and four right angles.

3. **Identify the lines of symmetry**:
- **Vertical line**: Draw a vertical line down the center of the square. This line divides the square into two equal rectangles.
- **Horizontal line**: Draw a horizontal line across the center of the square. This line also divides the square into two equal rectangles.
- **Diagonal line (top left to bottom right)**: Draw a diagonal line from the top left corner to the bottom right corner. This line divides the square into two equal triangles.
- **Diagonal line (top right to bottom left)**: Draw a diagonal line from the top right corner to the bottom left corner. This line also divides the square into two equal triangles.

4. **Count the lines of symmetry**: After drawing the lines, you will see that there are four distinct lines of symmetry in total.

5. **Choose the correct option**: Since we have identified four lines of symmetry, we can conclude that the answer corresponds to option 4.

### Final Answer:
Therefore, a square has **4 lines of symmetry**, which corresponds to **option 4**.

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