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### Grade 7 - Mathematics The Area of a Sector - II

 Example: The length of an arc of a sector whose radius is 8 cm, is 10 cm. Find its area. Solution: Given that, l = 10 cm, and r = 8 cm. Formula A = lr/2 Therefore, A = (10 * 8) / 2 A = 80 / 2 A = 40 sq cm. Directions: Read the above example carefully and answer the following questions. Also make 10 examples of your own.

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