Construction Of Tangent To 2 Circles

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An illustration showing how to construct a tangent to 2 given circles of different diameters. “Join the centers C and c of the given circles, and extend the line to D; draw the radii AC and ac parallel with one another. Join Aa, and extend the line to D. On CD as a diameter, draw the half circle CeD; on cD as a diameter, draw the half circle cfD; then the crossings e and f are the tangenting points of the circles.”

Keywords

geometry, circle, circles, radius, tangent, Circumference, geometric construction, construct, circle tangent to two circles with different radii

Galleries

Geometric Constructions

Source

Albert A. Hopkins Scientific America: Handy Book Of Facts And Formulas (New York: Munn & Co., Inc., 1918) 35

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