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New plane and solid geometry (1899)

Beman, Wooster Woodruff, 1850-1922, Smith, David Eugene, 1860-1944 · Boston, Ginn & company · leaf 165

An illustration from New plane and solid geometry, 1899, leaf 165
Fig. 1, Fig. 2. Given two circles A, B, with radii r, r (r > ?•), and centers0, 0, respectively. Required to draw a common tangent to them. Construction. 1. Describe © Ax, A% (Figs. 1 and 2), with centers0, and radii /• — r and r + >•, respectively. § 109 2. From 0 draw tangents 0C\, 0CSJ to…

Geometry

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