\[ \text弧长 = 10 \times \frac\pi3 = \frac10\pi3 \text cm \] - AMAZONAWS 📅 March 11, 2026 👤 scraface Mar 11, 2026
![\[ \text{弧长 } = 10 \times \frac{\pi}{3} = \frac{10\pi}{3} \text{ cm} \]](https://soloferat.biz.id/images/-text---10-times-fracpi3--frac10pi3-text-cm-.jpg)
