1. A composite figure is formed by two rectangles. Its outer sides have lengths of 9 ft, 4 ft, 5 ft, 3 ft, 4 ft, and 7 ft. What is the total perimeter of the figure in feet? ___
2. A figure is formed by a square with a side length of 8 cm and an equilateral triangle attached to its top side. What is the perimeter of this composite figure?
3. A shape consists of a rectangle that is 30m long and 12m wide. A semicircle is attached to one of the 12m sides. What is the exact perimeter of the shape in meters? ___
4. When finding the perimeter of a composite figure made of two touching shapes, which lengths should be added together?
5. A rectangular piece of paper is 15 inches long and 10 inches wide. A small rectangle measuring 3 inches by 4 inches is cut from one corner. What is the perimeter of the remaining L-shaped piece? ___ inches
6. A polygon on grid paper has 6 segments along the grid lines and 2 diagonal segments. What is the estimated perimeter of the polygon in units? ___
7. When estimating perimeter on grid paper, how is the length of a single diagonal segment that crosses one grid square approximated?
8. A figure drawn on grid paper is shaped like a boat. It has 1 long horizontal base of 5 units, 2 vertical sides of 1 unit each, and 2 diagonal segments. What is its estimated perimeter? ___
9. A star shape is drawn on a grid. It is composed entirely of 10 diagonal segments of equal length. Using the standard approximation, what is the estimated perimeter of the star? ___
10. A shape has an estimated perimeter of 12.5 units. It is composed of 5 segments along grid lines and some number of diagonal segments. How many diagonal segments does the shape have?