Math

Final Review 8. A field measures 10.5 m by 20.5 m. Find the length of fence needed to surround the field in feet. 9. The length of a gymnasium is 90 ft and the width is 60 ft. You want to put a border around the top of the walls of the gym. One roll is 5 yards long. a). How many rolls of border do you need? b). Each roll of border costs $4.75. How much will it cost to put the border around the gym? 10. A piece of fabric was cut to 45 cm. How many inches long is the fabric? 11. Given that A ABC ~ A DEF, find the length of b and d. D A 14 21 8 B E 10 C d side b = side d = 12. The dimensions of a rectangle are in the ratio 3:2. If the longer side is 12 cm: a). Find the length of the shorter side. b). Calculate the perimeter of the rectangle