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References to 'rectangle'
1. area by Wkbj79
2. area of a polygonal region by Mathprof
3. aspect ratio by PrimeFan
4. comparison between Lebesgue and Riemann Integration by Mathprof
5. conjugate diameters of ellipse by pahio
6. cylinder by stevecheng
7. definite integral by mathwizard
8. Dehn's theorem by paolini
9. derivation of second formula for surface integration with respect to area by rspuzio
10. equiangular polygon by Wkbj79
11. example of a non-fully invariant subgroup by Algeboy
12. Fibonacci jigsaw puzzle by PrimeFan
13. golden ratio by Mathprof
14. Graham's number by PrimeFan
15. high school mathematics by matte
16. hyperbola by pahio
17. integral over plane region by pahio
18. isosceles trapezoid by Wkbj79
19. Klein 4-group by Algeboy
20. Klein bottle by vernondalhart
21. Leibniz notation by mathcam
22. midpoint rule by Wkbj79
23. monotone class theorem by fernsanz
24. parallelogram by drini
25. polyrectangle by paolini
26. proof of Pick's theorem by giri
27. proof of Young's inequality by picture by archibal
28. quadrilateral by drini
29. Rhind Mathematical Papyrus by milogardner
30. rhomboid by Wkbj79
31. rhombus by yark
32. right trapezoid by Wkbj79
33. silver rectangle by PrimeFan
34. similarity in geometry by pahio
35. solving the Black-Scholes PDE by finite differences by stevecheng
36. square by drini
37. surface integration with respect to area by rspuzio
38. time-dependent example of heat equation by pahio
39. torus by Daume
40. volume of solid of revolution by pahio
41. Young's inequality by rspuzio