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21 February, 12:27

In a circle a 45° sector has an area of 32pi cm^2. what is the radius of this circle

A) 16cm

B) 8cm

C) 32cm

D) 12cm

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Answers (1)
  1. 21 February, 16:20
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    Step-by-step explanation:

    It is given that, 45/360 * πr² = 32π

    1/8 * πr² = 32π

    πr² = 256π

    r² = 256

    r = √256

    r = 16
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