Find the perimetre of a polygon from its vertex coordinates

Find each side that runs across the grid. Its length is the number of units between its two matching coordinates. Add all the sides.

1. The vertices of rectangle ABCD are A(2, 0), B(3, 0), C(3, 5) and D(2, 5). Find the perimetre of the rectangle.
2. The vertices of rectangle ABCD are A(1, 2), B(1, 5), C(0, 5) and D(0, 2). Find the perimetre of the rectangle.
3. Rectangle ABCD has vertices A(0, 0), B(0, 1), C(1, 1) and D(1, 0). What is its perimetre in units?
4. The vertices of rectangle ABCD are A(1, 0), B(1, 1), C(2, 1) and D(2, 0). Find the perimetre of the rectangle.
5. The vertices of rectangle ABCD are A(3, 9), B(8, 9), C(8, 4) and D(3, 4). Find the perimetre of the rectangle.
6. Rectangle ABCD has vertices A(10, 5), B(7, 5), C(7, 3) and D(10, 3). What is its perimetre in units?
7. Rectangle ABCD has vertices A(9, 3), B(1, 3), C(1, 5) and D(9, 5). What is its perimetre in units?
8. The vertices of rectangle ABCD are A(0, 10), B(0, 8), C(9, 8) and D(9, 10). Find the perimetre of the rectangle.
9. The vertices of rectangle ABCD are A(10, 10), B(10, 0), C(−7, 0) and D(−7, 10). Find the perimetre of the rectangle.
10. The vertices of rectangle ABCD are A(5, 2), B(−1, 2), C(−1, 4) and D(5, 4). Find the perimetre of the rectangle.
11. The vertices of rectangle ABCD are A(−4, −3), B(−4, 0), C(−7, 0) and D(−7, −3). Find the perimetre of the rectangle.
12. Rectangle ABCD has vertices A(−10, 0), B(−6, 0), C(−6, 10) and D(−10, 10). What is its perimetre in units?
13. The figure ABCDEF has six vertices: A(7, 7), B(3, 7), C(3, 9), D(8, 9), E(8, 5) and F(7, 5). All of its sides are horizontal or vertical. What is its perimetre in units?
14. The figure ABCDEF has six vertices: A(3, 2), B(7, 2), C(7, 8), D(5, 8), E(5, 7) and F(3, 7). All of its sides are horizontal or vertical. What is its perimetre in units?
15. The figure ABCDEF has six vertices: A(8, 1), B(8, 10), C(7, 10), D(7, 2), E(3, 2) and F(3, 1). All of its sides are horizontal or vertical. What is its perimetre in units?
16. The figure ABCDEF has six vertices: A(6, 5), B(10, 5), C(10, 10), D(3, 10), E(3, 3) and F(6, 3). All of its sides are horizontal or vertical. What is its perimetre in units?
17. The figure ABCDEF has six vertices: A(1, −8), B(8, −8), C(8, 10), D(0, 10), E(0, −2) and F(1, −2). All of its sides are horizontal or vertical. What is its perimetre in units?
18. The figure ABCDEF has six vertices: A(7, −10), B(7, −7), C(3, −7), D(3, 0), E(2, 0) and F(2, −10). All of its sides are horizontal or vertical. What is its perimetre in units?
19. The figure ABCDEF has six vertices: A(0, 10), B(−3, 10), C(−3, −6), D(3, −6), E(3, 1) and F(0, 1). All of its sides are horizontal or vertical. What is its perimetre in units?
20. The figure ABCDEF has six vertices: A(−4, −7), B(3, −7), C(3, 3), D(2, 3), E(2, −3) and F(−4, −3). All of its sides are horizontal or vertical. What is its perimetre in units?