Section Page Circles and Spheres Vocabulary 11.1 - 11.2 central angle, incribed angle, chord, tangent to a circle, arc, minor arc, major arc, semicircle, measure of an arc, congruent arcs 11.1 553 Angles and Circles 1 3 9 13 17 11.2 560 Tangents, Secants and Chords Vocabulary 11.3 - ll.4 secant, sector, length of an arc 11.3 567 Applying Properties of Chords 11.4 573 Segment Lengths in Circles Vocabulary 11.5 secant, sector, length of an arc 11.5 579 Sectors and Arc Lengths 1 9 13 Vocabulary 11.6 arc of a sphere, chord of a sphere, diameter of a sphere, radius of a sphere, secant of a sphere, tangent to a sphere 11.6 586 Surface Areas and Volumes of Spheres 7 13 11.7 592 Volumes of Similar Solids Vocabulary 11.8 great circle 11.8 597 Spherical Geometry
 Suggested Assignments Section Page Exercises 11.1 Angles and Circles 553 1-9, 13-19 11.2 Tangents, Secants and Chords 560 see contract 11.3 Applying Properties of Chords 567 see contract 11.4 Segment Lengths in Circles 573 see contract 11.5 Sectors and Arc Lengths 579 1 - 15 11.6 Surface Areas and Volumes of Spheres 586 see contract 11.7 Volumes of Similar Solids 592 see contract 11.8 Spherical Geometry 597 see contract 11 T Chapter 11 Assessment 608 see contract

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