Elements of geometry : containing books I to III (1886)
Smith, J. Hamblin · Toronto : W.J. Gage · leaf 128
ctangle which is equal in area to igiven square, find tV>> i 51. AB, AC are the two eq al sides of an isosceles triangh ;from B, BD is drawn perpendicular to AC, meeting it in D; quare on /-// is greater n in the square on CDby twice the rectangle AD, CD. BOOK III. Postulate. A point is… … That such a line can only meet the circumference in twopoints may be shewn thus: Some point within the circle is the centre ; let this be 0.Join OA. Then (Ex. 1, i. 10) we can draw one, and only one,straight line from 0, to meet the straight line. F<}, such thatit shall be equal to OA. Let this…
Geometry
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