A) $ \frac\pi ra + b - c $ — matches $ \frac\pi r^2r(a + b + c)/2 = \frac2\pi r{a + b + c - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$A) $ \frac{\pi r}{a + b - c} $ — matches $ \frac{\pi r^2}{r(a + b + c)/2} = \frac{2\pi r}{a + b + c$