Gore, James Howard, 1856-1939 · New York, Longmans, Green, and co. · leaf 60
edby two radii and the arc which they intercept, as ACB, Fig. L*. 137. A Tangent is a straight line which touches the circum-ference, but does not intercept it, however far produced. Thepoint in which the tangent touches the circumference is calledthe Point of Contact, or Point of Tangency. 138.… … 140. A straight line is Inscribed in a circle when its ex-tremities lie in the circumference of the circle, as AB, Fig. 1.An angle is inscribed in a circle when its vertex is in the 48 PLANE GEOMETRY. [BK. II. circumference, and its sides are chords of that circumference,as Z ABC, Fig. 1. A polygon…
Geometry
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