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 179
angle, andthe length of the straight line drawn from the vertex to the middlepoint of the base. 4. Having given the base and the vertical angle of a triangle, shewthat the triangle will be greatest when it is isosceles. BOOK III. 34. 167 Proposition 34. Problem. From a given circle to cut off a… … Construction. Draw the straight line EF touching the circleABC at B ; [III. 17. and at B make the ^lFBC equal to the lD. [I. 23. The segment BAC shall contain an l equal to D. Proof. Because EF touches the circle ABC, and BC is drawn from the point of contact B ; [Construction, .. the ^FBC = the l…
Euclid's Elements · Geometry · Mathematics, Greek
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
