Construction Of A Circle Arc
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An illustration showing how to construct a circle arc without recourse to its center, but its chord AB and height h being given. “With the chord as radius, and A and B as centers, draw the dotted circle arcs AC and BD. Through the point O draw the lines AOo and BOo. Make the arcs Co=Ao and Do=Bo. Divide these arcs into any desired number of equal parts, and number them as shown on the illustration. Join A and B with the divisions, and the crossings of equal numbers are points in the circle arc.”
Keywords
geometry, circle, circles, arc, tangent, Circumference, geometric construction, construct, circle arcsGalleries
Geometric ConstructionsSource
Albert A. Hopkins Scientific America: Handy Book Of Facts And Formulas (New York: Munn & Co., Inc., 1918) 37
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