# Construction Of Tangent To Circle

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An illustration showing how to construct a tangent to a circle through a given point outside of a circumference. “Join A and C, and upon AC as a diameter draw the half circle ABC, which cuts the given circle at B. Join A and B, which is the required tangent.”

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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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