“Two Theorems from Geometry.” Trigonometric Delights, by Eli Maor, Princeton University Press, PRINCETON; OXFORD, 1998, pp. 87–94, www.jstor.org/stable/j.ctt1r2f46.16. Accessed 12 Aug. 2020.
Maor, E. (1998). Two Theorems from Geometry. In Trigonometric Delights (pp. 87-94). PRINCETON; OXFORD: Princeton University Press. Retrieved August 12, 2020, from www.jstor.org/stable/j.ctt1r2f46.16
Maor, Eli. "Two Theorems from Geometry." In Trigonometric Delights, 87-94. PRINCETON; OXFORD: Princeton University Press, 1998. Accessed August 12, 2020. www.jstor.org/stable/j.ctt1r2f46.16.
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