The normal elementary geometry : embracing a brief treatise on mensuration and trigonometry : designed for academies, seminaries, high schools, normal schools, and advanced classes in common schools (1884)
Brooks, Edward, 1831-1912 · Philadelphia : Christopher Sower Co. · leaf 80
cant is a straight line which cuts the circum-ference in two points; thus, CD is asecant. 10. An Inscribed Angle isan angle whose vertex is in the cir-cumference and whose sides arechords; as, ABO in the next figure. 11. An Inscribed Polygon is apolygon whose sides are chords, thevertices of the… … AXIOMS. 1. The radii, and also the diameters, of a circle, or ofequal circles, are equal. 2. Every diameter is double the radius, or is equal tothe sum of two radii. 3. A straight line can cut a circumference in only twopoints. Analysis.—This book treats of the nature of the circle, the…
Geometry · Plane trigonometry
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