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add area approx for segments close to semicircle Tags: Mobile edit Mobile app edit iOS app edit |
→Chord length and height: rewrite as usually seen |
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Line 23:
:<math>c = 2R\sin\tfrac{\theta}{2} = R\sqrt{2(1-\cos\theta)}</math>
The sagitta is
:<math>h = R(1-\cos\tfrac{\theta}{2})=R\left(1-
=== Arc length and area ===
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