# Perimeter of a Square or a Rectangle

The **perimeter ** of a square is the total length of the four equal sides of the square.

**Formula**

If the side of a square is *s*, the perimeter of the square is

**= 4 × s = 4 s**

The **perimeter ** of a rectangle is the total length of the two lengths and two widths of the rectangle.

**Formula**

If the length and width of a rectangle are *l* and *w*, then its perimeter

= 2(*l* + *w*) units

If the side of a square is 8 m, find the perimeter of the square

### Solution

**Step 1:**

Side length of the square = 8 m

**Step 2:**

The perimeter of the square = 4 × 8 = 32 m

If the length and width of a rectangle are 8 and 4 units, then find its perimeter.

### Solution

**Step 1:**

Length and width of the rectangle are 8 and 4 units

**Step 2:**

Perimeter of rectangle

= 2 (*l* + *w*) = 2(8 + 4)

= 2 × 12 = 24 units