L = θ360∘\frac{\theta}{360^{\circ}}360∘θ = 2π\piπ
5536=θ360∘×2×227×3.5\frac{55}{36} = \frac{\theta}{360^{\circ}} \times 2 \times \frac{22}{7} \times 3.53655=360∘θ×2×722×3.5
θ=360×55×44×0.53×44×0.5\theta = \frac{360 \times 55 \times 44 \times 0.5}{3 \times 44 \times 0.5}θ=3×44×0.5360×55×44×0.5
= θ=25∘\theta = 25^{\circ}θ=25∘
