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 155
p., Art. 39.]14. Construct a triangle, given the vertical angle, one of the sidescontaining it, and the perpendicular altitude. BOOK III. 20. 143 Proposition 20. Theorem. The angle at the centre of a circle is double of the angle at thecircumference on the same arc. Let ABC be a circle, and BEC an…
Euclid's Elements · Geometry · Mathematics, Greek
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