CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 9. Circles 23. FindmAB̂in Question 18. Round your answer to the nearest tenth of a degree. FindmAB̂ ...

9.3. Properties of Chords http://www.ck12.org a chord, and use two of these perpendicular bisectors to locate the center of the ...

http://www.ck12.org Chapter 9. Circles 3.mBĈ= 60 ◦,mBDĈ= 300 ◦ 4.BC∼=DEandBĈ∼=DÊ ...

9.4. Inscribed Angles http://www.ck12.org 9.4 Inscribed Angles Learning Objectives Find the measure of inscribed angles and the ...

http://www.ck12.org Chapter 9. Circles Inscribed Angles We have discussed central angles so far in this chapter. We will now int ...

9.4. Inscribed Angles http://www.ck12.org Using your protractor measure the six angles and determine if there is a relationship ...

http://www.ck12.org Chapter 9. Circles Solution:The intercepted arc for both angles isAB̂. Therefore,m^6 ADB=m^6 ACB=^12 · 124 ◦ ...

9.4. Inscribed Angles http://www.ck12.org Inscribed Polygon:A polygon where every vertex is on a circle. Note, that not every qu ...

http://www.ck12.org Chapter 9. Circles Theorem 9-10:A quadrilateral is inscribed in a circle if and only if the opposite angles ...

9.4. Inscribed Angles http://www.ck12.org Solution:To findx, use 4 ACE.m^6 ACE= 14 ◦because it is half ofmBÊby the Inscribed An ...

http://www.ck12.org Chapter 9. Circles 1.m^6 DBC 2.mBĈ 3.mAB̂ 4.m^6 ACD 5.m^6 ADC 6.m^6 ACB QuadrilateralABCDis inscribed in ⊙ ...

9.4. Inscribed Angles http://www.ck12.org 13. 14. 15. 16. 17. 18. ...

http://www.ck12.org Chapter 9. Circles 19. Algebra ConnectionSolve for the variables. 20. 21. 22. 23. Use the diagram below to f ...

9.4. Inscribed Angles http://www.ck12.org 24.m^6 EBO 25.m^6 EOB 26.mBĈ 27.m^6 ABO 28.m^6 A 29.m^6 EDC Fill in the blanks of on ...

http://www.ck12.org Chapter 9. Circles Suppose thatABis a diameter of a circle centered atO, andCis any other point on the circ ...

9.6 Segments of Chords, Secants, and Tangents 9.5 Angles of Chords, Secants, and Tangents Learning Objectives Find the measures ...

http://www.ck12.org Chapter 9. Circles Draw ⊙ Awith chordBCand tangent line ←→ EDwith point of tangencyC. Draw in central ang ...

9.5. Angles of Chords, Secants, and Tangents http://www.ck12.org Solution:Use Theorem 9-11. a)m^6 BAD=^12 mAB̂=^12 · 124 ◦= 62 ◦ ...

http://www.ck12.org Chapter 9. Circles Draw central angles^6 DABand^6 CAE. Use colored pencils, if desired. Using your protract ...

9.5. Angles of Chords, Secants, and Tangents http://www.ck12.org b) c) Solution:Use Theorem 9-12 and write an equation. a) The i ...