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References to 'trapezoid'
1. Archimedes' cylinders in cube by pahio
2. area of a polygonal region by Mathprof
3. centre of mass of polygon by pahio
4. centroid by drini
5. equiangular triangle by Wkbj79
6. equilateral triangle by Mathprof
7. example of estimating a Riemann integral by Wkbj79
8. Garfield's proof of Pythagorean theorem by rm50
9. harmonic mean by drini
10. harmonic mean in trapezoid by pahio
11. high school mathematics by matte
12. isosceles trapezoid by Wkbj79
13. isosceles triangle theorem by Wkbj79
14. Lemoine point by drini
15. mathematics vocabulary by matte
16. median of trapezoid by pahio
17. midpoint by Mathprof
18. orthic triangle by drini
19. orthocenter by Mathprof
20. prismatoid by Mathprof
21. proof of Pythagorean theorem by drini
22. properties of regular tetrahedron by pahio
23. red-black tree by PrimeFan
24. right trapezoid by Wkbj79
25. Saccheri quadrilateral by Wkbj79
26. sector of a circle by CWoo
27. symmedian by drini
28. trapezoidal rule by Wkbj79
29. trigonometry by rm50