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Name Date Practice HW 10-7 Areas of Circles and Sectors Find the area of each circle. Leave your answer in terms of . 1. 2. 5. Jerry has a lawn sprinkler that sprays water out into a circle. The diameter of the circle is 10 ft. What area can Jerry water with the sprinkler? Round to the nearest tenth. 6. A dog is on a leash that is attached to a pole in the ground. If the leash is 8 ft long, in how much area can the dog move around? Round to the nearest tenth. Find the area of each SHADED sector of a circle. Leave your answer in terms of . 7. 8. 9. 13. 14. 19. 20. 21. The school is planting a circular garden. If the diameter of the garden is 6 ft, what is the garden’s area to the nearest tenth of a square foot? 22. An apartment complex is replanting grass seed in a play area. The area is a circle that is 30 ft in diameter. They need 1 lb of grass seed for every 300 square ft. Find the area to the nearest tenth of a square foot. Then calculate how many 1-lb bags of grass seed they need. 23. A circular fountain is surrounded by flowers. The fountain’s diameter is 8 ft. The flowers extend 1.5 ft out from the fountain on all sides. What area do the flowers cover to the nearest tenth of a square foot? 24. Nearly 80% of executives say their companies use email; 36% say they peek at their employee’s mail. The percentage who say an employer has the right to read anything in a company’s electronic communication system is show in the graph. Find the measure of the central angle for “yes”. (Source: USA Today)