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 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