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seropon [69]
3 years ago
15

Please help me out please:)

Mathematics
1 answer:
Grace [21]3 years ago
7 0

Answer:

56.1 cm²

Step-by-step explanation:

In any circle the area (A) of a sector is

A = area of circle × fraction of circle

   = πr² × \frac{81}{360}

   = π × 8.91² × \frac{81}{360}

   = \frac{8.91^2(81)\pi }{360} ≈ 56.1 cm²

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