## Perimeter

Watch this lecture series introducing the perimeter, and complete the interactive exercises to practice calculating the perimeter of rectangles.

### Practice

#### Find perimeter when given side lengths - Questions

1. What is the perimeter of the figure?

_______ cm

2. What is the perimeter of the quadrilateral?

_______ meters

3. One side of a rectangle is units. Another side is units.

**What is the perimeter of the rectangle?**

_______ units

**4. Which of the following expressions can be used to find the perimeter of the rectangle?**

**Choose 2 answers:**

5. What is the perimeter of the rectangle?

_______ meters

6. The length of each side of the star is 8 units.

**What is the perimeter of the star?**

_______ units

7. One side of a regular triangle is 5 units.

**What is the perimeter of the triangle?**

_______ units