Calculating missing lengths with perimeter of polygons

12 questions

1. A **polygon** is a
2. True or false? All parallelograms are rhombuses.
3. Calculate the perimeter of the square.
4. Calculate the perimeter of the rectangle.
5. Calculate the perimeter of the kite.
6. An irregular polygon has the following side lengths: 5 cm, 8 cm, 6 cm, 7 cm, and 9 cm. What is the perimeter of the polygon?
7. True of false? Summing the length and width of a rectangle gives a result that is half of the perimeter of the rectangle.
8. The perimeter of the octagon is 184 cm. What is the length of one side?
9. Two line segments are congruent if they are ______
10. A rectangular garden has a length of 12 meters and a width of 8 meters. What is the perimeter of the garden?
11. Lucas is planning to build a rectangular flowerbed in the backyard. They want the flowerbed to have a perimeter of 36 m. If the width of the flowerbed is 6 m, what should be the flowerbed length?
12. Dany has a triangular room. The room has side lengths measuring 7 m, 9 m, and x m. The perimeter of the triangular room is 28 m. What is the length of side x?

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