Calculate Areas and Lengths of Sectors and Arcs
Learn how to calculate areas of sectors and lengths of arcs with worked examples. Practice calculating areas and lengths of sectors and arcs with various measurements provided. Enhance your geometry skills and understanding.
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Presentation Transcript
Calculate Areas of Sectors Calculate Areas of Sectors Silent Teacher Intelligent Practice Your Turn Narration 3 cm 9 cm 30 cm 36 26 260 Practice
Worked Example Your Turn Calculate the area of the sector Calculate the area of the sector 9cm 12cm 120 120 @webstermaths
Calculate the areas of the sectors 9 cm 30 cm 36 26 3 cm 10 cm 36 260 36 cm 10 3 cm 110 72 cm 10 36 cm 20 @webstermaths
Calculate the lengths of the arcs 8.1? cm = 25.4 cm 65? cm = 204 cm 9 cm 30 cm 36 26 3 cm 10 ? cm = 3.14 cm 10 cm 36 13 2? cm = 20.4 cm 260 36 ? cm = 113 cm 36 cm 10 3 cm 11 4? cm = 8.64 cm 110 144 ? cm = 452 cm 72 cm 10 72 ? cm = 226 cm 36 cm 20 @webstermaths
