2. 1. What forms the sides of both regular and irregular polygons? line segments

3. 2. What is formed where two sides of a polygon meet? angle

4. 3. What do you call the common point where two sides of a polygon meet to form an angle? vertex

5. 4. What word would you use when you talk about more than one vertex? vertices

6. 5. What do you know about the number of sides, angles, and vertices of a polygon? They are the same.

7. tri- 8 vertices quad- penta- hexa- octa- 4 angles 4 sides 3 angles7 vertices 3 sides 7 sides 6 vertices 6 sides 5 vertices 5 angles 8 angles

8. tri- 8 vertices quad- octa- 4 angles 4 sides 3 angles7 vertices 3 sides 7 sides 5 angles 8 angles penta- 5 vertices

9. tri- 8 vertices octa- 3 angles7 vertices 3 sides 7 sides 5 angles 8 angles penta- 5 vertices

10. tri- 3 angles7 vertices 3 sides 7 sides 5 angles penta- 5 vertices

11. penta- 7 vertices 7 sides 5 vertices 5 angles

12. decagon

13. tridecagon

14. pentadecagon

15. octadecagon

16. quadrilaterals square rectangle

17. quadrilaterals square rectangle parallelograms

18. quadrilaterals square rectangle

19.  opposite sides are parallel  4 right angles  opposite sides are parallel  4 right angles  4 equal sides  opposite sides are parallel  4 equal sides RectangleParallelogram Square Rhombus

20. perimeter the distance around a figure “measure around”

21. 5 in. 3 in. side + side + side + side = perimeter 3 in. + 5 in. + 3 in. + 5 in. =16 in.

22. 8 ft 8 ft + 8 ft + 8 ft + 8 ft = 32 ft

23. 5 yd 9 yd 9 yd + 5 yd + 9 yd + 5 yd =28 yd

24. 8 ft 6 ft 6 ft + 8 ft + 4 ft + 9 ft + 5 ft = 32 ft 4 ft 9 ft 5 ft

25. Victoria wants to put up a fence around her flower garden. She measured the garden and found that 2 opposite sides of the garden measured 12 feet, and the other two sides measured 8 feet. How much fencing does Victoria need?

26. 12 ft 8 ft 12 ft + 8 ft + 12 ft + 8 ft = 40 ft