Sullivan, Christine [Gordon]. [from old catalog] · New York, Cincinnati [etc.] American book company · leaf 21
coincide mean ? 46. Place two triangles so that one side of onemay coincide with one side of the other. 47. Divide an equilateral triangle so that thetwo parts may be equal and similar. 48. What is a sector? 49. Make an acute-angled sector ; an obtuse-angled sector. 50. Make three sectors, each… … LESSON V. GEOMETRIC PROBLEMS. Problem i. — To bisect a given line. Let AB (Fig. 21) be the given line.From A and B as centers, and w^ith aradius greater than one half the line,describe the arcs i and 2. Connect thepoints of intersection by the line i 2,which passes through the point C, thecenter of…
Mechanical drawing
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