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11.3 1. Find the length of the arcs to the nearest tenth. 5 in arc BC = arc CDB = in. in. 11.3 2. Find the length of the arcs below. Round to the nearest tenth. 8 cm arc BC = arc DB = cm cm 3. Find the arc lengths below if the radius = 3 feet. Round answers to the nearest tenth. 11.3 95o 3 ft. arc DFE = arc EB = ft. ft. 4. Find the arc lengths below if the radius = 3 feet. Round answers to the nearest tenth. 11.3 95o 3 ft. arc BEF = arc DF = ft. ft. 5. Find the length of the arcs below. Round to the nearest tenth. 11.3 8 cm arc CD = arc BCD = cm cm 6. Identify the different parts of the circle by dragging the correct labels to their correct locations. 11.3 segment of a circle ? sector of a circle ? arc of a circle ? 7. Find the area of the orange sector. Leave your answer in terms of π. 11.3 100o 6 in area of sector = π in2 8. Find the area of the orange sector. Leave your answer in terms of π and round to the nearest tenth. 11.3 48o 4 in area of sector = π in2 9. Find the area of sector BAC. Round your answer to the nearest tenth. 11.3 diameter = 16 ft area of sector = ft2 10. Find the area of sector BAD. If circle A has a circumference of 20π ft. Round your answer to the nearest tenth. Circumference = 20π ft area of sector = ft2 11. Find the area of the shaded sector. Round your answer to the nearest tenth. 11.3 7 in area of sector = in2 11.3 12. Find the area of the shaded segment. Round to the nearest tenth. 5 cm Area of segment = cm2 11.3 13. Find the area of the shaded segment. Round to the nearest tenth. 9 ft Area of segment = ft2 11.3 14. Find the area of the shaded segment of the circle with a circumference of 16π inches. Round to the nearest tenth. Circumference = 16π in Area of segment = in2 15. Given the radius = 7. Find the area of the shaded segment. Round to the nearest tenth. 11.3 h = 3.5 r = 7 CB =12 cm Area of segment = note: the central angle = 120 degrees cm2 |