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 A_s in the illustration below. A_s __________ m²

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The Answer of 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 A_s in the illustration below. A_s __________ m²

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