The elements of Euclid for the use of schools and colleges; comprising the first six books and portions of the eleventh and twelfth books; (1903)
Euclid, Todhunter, I. (Isaac), 1820-1884, ed. edt, Simson, Robert, 1687-1768, ed. edt · London; New York, Macmillan · leaf 374
corners A, B of a slieet of paper are doubleddown and meet at a point P in such a manner that the three parts ofthe edge AB form a triangle right-angled at P. Prove that the locusof P is an arc of a circle. XXX EUCLIDS ELEMENTS. POLE AND POLAR 42. The Polar of any point P with respect to a circle…
Euclid's Elements · Geometry · Mathematics, Greek
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