CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Solution:Use the second equation to solve for^6 B. b^2 = 262 + 182 − ...

8.7. Extension: Laws of Sines and Cosines http://www.ck12.org 152 = 222 + 282 − 2 ( 22 )( 28 )cosA 225 = 1268 −1232 cosA − 1043 ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 2. 3. 4. 5. 6. 7. 8. 9. 10.m^6 A= 74 ◦,m^6 B= 11 ◦,BC= 16 ...

8.7. Extension: Laws of Sines and Cosines http://www.ck12.org 11.m^6 A= 64 ◦,AB= 29 ,AC= 34 12.m^6 C= 133 ◦,m^6 B= 25 ◦,AB= 48 U ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.8 Chapter 8 Review Keywords Theorems Pythagorean Theorem Pythagore ...

8.8. Chapter 8 Review http://www.ck12.org 2. 3. 4. 5. 6. 7. 8. 9. ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Determine if the following lengths make an acute, right, or obtuse tr ...

8.8. Chapter 8 Review http://www.ck12.org Texas Instruments Resources In the CK-12 Texas Instruments Geometry FlexBook, there ar ...

http://www.ck12.org Chapter 9. Circles CHAPTER 9 Circles Chapter Outline 9.1 Parts of Circles & Tangent Lines 9.2 PROPERTIES ...

9.1. Parts of Circles & Tangent Lines http://www.ck12.org 9.1 Parts of Circles & Tangent Lines Learning Objectives Defi ...

http://www.ck12.org Chapter 9. Circles Chord:A line segment whose endpoints are on a circle. Diameter:A chord that passes throug ...

9.1. Parts of Circles & Tangent Lines http://www.ck12.org e) A diameter f) A secant Solution: a)HAorAF b)CD,HF, orDG c) ←→ B ...

http://www.ck12.org Chapter 9. Circles Solution:From each center, count the units to the circle. It is easiest to count vertical ...

9.1. Parts of Circles & Tangent Lines http://www.ck12.org Draw a tangent line, ←→ BC, whereBis the point of tangency. To d ...

http://www.ck12.org Chapter 9. Circles DC=AC−AD DC= √ 89 − 5 ≈ 4. 43 Example 5:Determine if the triangle below is a right triang ...

9.1. Parts of Circles & Tangent Lines http://www.ck12.org 52 + 552 =AC^2 25 + 3025 =AC^2 3050 =AC^2 AC= √ 3050 = 5 √ 122 Tan ...

http://www.ck12.org Chapter 9. Circles Solution:BecauseAEis tangent to both circles, it is perpendicular to both radii and 4 ABC ...

9.1. Parts of Circles & Tangent Lines http://www.ck12.org 1.KG 2. ←→ F H 3.KH 4.E 5. ←→ BK 6. ←→ CF 7.A 8.JG What is the lo ...

http://www.ck12.org Chapter 9. Circles Find all the common tangents for ⊙ Band ⊙ C. 16. ⊙ Cand ⊙ Eare externally tangent. What ...

9.1. Parts of Circles & Tangent Lines http://www.ck12.org 21. 22. 23. 24. 25. 26. 27.AandBare points of tangency for ⊙ Cand ...