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References to 'chord'
1. angle of view of a line segment by pahio
2. area of spherical calotte by means of chord by pahio
3. Beltrami-Klein model by Wkbj79
4. Bertrand's problem by PrimeFan
5. butterfly theorem by giri
6. circle has one center by Wkbj79
7. circle line picking by PrimeFan
8. circular segment by pahio
9. circumferential angle is half the corresponding central angle by rm50
10. compass and straightedge construction of center of given circle by Wkbj79
11. compass and straightedge construction of parallel line by pahio
12. conic section by drini
13. conjugate diameters of ellipse by pahio
14. construct the center of a given circle by rm50
15. construction of tangent by pahio
16. continuity of sine and cosine by pahio
17. inverse Laplace transform of meromorphic function by pahio
18. isosceles trapezoid by Wkbj79
19. mathematics vocabulary by matte
20. Motzkin number by PrimeFan
21. non-Euclidean geometry by Wkbj79
22. parametre by pahio
23. proof of butterfly theorem by drini
24. properties of parabola by pahio
25. singular points of plane curve by pahio
26. supplementary chords by pahio
27. things counted by the Catalan numbers by rm50
28. trigonometry by rm50