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Given Two Concentric Circles (Circles with the Same Center) with Central

Question 160

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Given two concentric circles (circles with the same center) with central angle α = 45°, r1 = 3.8 m, r2 = 7.6 m, find the shaded area As in the illustration below. Given two concentric circles (circles with the same center) with central angle α = 45°, r<sub>1</sub> = 3.8 m, r<sub>2</sub> = 7.6 m, find the shaded area A<sub>s</sub> in the illustration below. A<sub>s</sub> __________ m<sup>2</sup> As __________ m2

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