Problems on your own and show your work: 1. 5 in. A 6 in. 2. 12 km: 12 km 3. 4 m 4. 8.2 cm 5. 4.5 m 10 m 13 cm 19 cm 6 ft 6. 7 ft 3 m 2.2 m 7. an octagon with an apothem 4.8 centimeters long and a side 4 centimeters long 8. a hexagon with a side 23.1 meters long and an apothem 20.0 meters long Find the area of the shaded region in each regular polygon. 9. 10 cm 10. 4 cm 6 ft 20 ft