Sector area: $ \frac\theta360 \cdot \pi r^2 = \frac72360 \cdot \pi \cdot 100 = \frac15 \cdot 100\pi = 20\pi \, \textcm^2 $. - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$Sector area: $ \frac{\theta}{360} \cdot \pi r^2 = \frac{72}{360} \cdot \pi \cdot 100 = \frac{1}{5} \cdot 100\pi = 20\pi \, \text{cm}^2 $.$