• Mar 11, 2026 challenging geometry questions for find arc lengths /180)π = (π/4). Plug in the values: r = 25 / (π/4) = 25 × (4/π) ≈ (100/π) ≈ 31.83 meters. Challenge aspect: Applying algebraic manipulation and unit conversions to find unknown parameters. 4. Arc Length in an Elliptical Context (Advanced) By Kristi Legros
