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 \(8\) units. Another side is \(5\) 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:
(A) \(2 \times(11+17)\)
(B) \(17+17 \times 2\)
(C) \(11+11+17+17\)
(D) \(11 \times 17\)
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