A treatise on special or elementary geometry (1877)
Olney, Edward, 1827-1887, Olney, Edward, 1827-1887. Elements of trigonometry, plane and spherical · New York : Sheldon · leaf 44
ly called. SuG.—This is just like the last, A, B, and C being the vertices of the triangle.The four figures in the marginrepresent the successive steps inthe solution. First draw the giventriangle. Then take the first stepin the solution, then the second,etc. Ex. 2. Given the centre ofa circle and… … Fi?. 34. 24 ELEMENTAKY GEOMETRY. then to draw the circumference, which shall pass through the latter point, andhave the former for its centre. Ex. 3. Draw an arc of a circle, and rub out the mark, if you makeany, at the centre, so that you cannot see where the centre is. Thenfind the centre, and…
Geometry · Trigonometry
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