Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 40
-cluded between an arc and the two radiidiawn through its extremities. Thus.CAB is a sector 8. A straight line is said to be in-scribed in a circle, when its extremitiesare in the circumference. Thus, theline AB is inscribed in a circle. 9. An inscribed angle is one whichis formed by two chords… … 11. Any polygon is said to be in-scribed in a circle when the vertices ofall the angles are in the circumference.The ciicle is then said to circumscribethe polygon.
Geometry · Plane trigonometry
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