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

question 184

Multiple Choice

Given two concentric circles (circles with the same center) with central angle α = 45°, r ₁ = 4.5 m, and r ₂ = 9 m, find the shaded area in the illustration below. Round your answer to three significant digits.

• A) 29.106 m ²
• B) 47.713 m ²
• C) 25.856 m ²
• D) 7.594 m ²
• E) 23.856 m ²

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