CK-12 Geometry-Concepts

http://www.ck12.org Chapter 7. Similarity 10 15 = BC 12 −→ 15 (BC) = 120 BC= 8 Example C IsDE||CB? Use the Triangle Proportional ...

7.8. Triangle Proportionality http://www.ck12.org Name the similar triangles. Write the similarity statement. 2.BEEC=FC? 3.ECC ...

http://www.ck12.org Chapter 7. Similarity 9. 10. 11. 12. 13. Find the unknown length. 14. What is the ratio that the midsegment ...

7.9. Parallel Lines and Transversals http://www.ck12.org 7.9 Parallel Lines and Transversals Here you’ll learn how to use the Tr ...

http://www.ck12.org Chapter 7. Similarity The three lines are marked parallel, so you can set up a proportion. a 20 = 9 15 180 = ...

7.9. Parallel Lines and Transversals http://www.ck12.org To solve, set up a proportion and solve forx. 5 8 = 3. 75 2 x− 4 −→ 5 ( ...

http://www.ck12.org Chapter 7. Similarity Vocabulary Pairs of numbers areproportionalif they are in the same ratio. Two lines ar ...

7.9. Parallel Lines and Transversals http://www.ck12.org 1. 2. 3. 4. 5. The street map shows part of New Orleans. Burgundy St., ...

http://www.ck12.org Chapter 7. Similarity What is the distance between pointsAandB? What is the distance between pointsCandD? W ...

7.9. Parallel Lines and Transversals http://www.ck12.org Ifbis one-thirdd, thenais ____. Ifcis two timesa, thenbis ____. 16. T ...

http://www.ck12.org Chapter 7. Similarity 7.10 Proportions with Angle Bisectors Here you’ll learn how to set up and solve propor ...

7.10. Proportions with Angle Bisectors http://www.ck12.org By definition, −→ ACdivides^6 BADequally, so^6 BAC∼=^6 CAD. The propo ...

http://www.ck12.org Chapter 7. Similarity Example C Find the missing variable: Set up a proportion and solve like in the previou ...

7.10. Proportions with Angle Bisectors http://www.ck12.org 2. 3. Answers: Set up a proportion and solve. 20 8 = 25 y 20 y= 200 ...

http://www.ck12.org Chapter 7. Similarity 12 z = 15 9 −z 15 z= 12 ( 9 −z) 15 z= 108 = 12 z 27 z= 108 z= 4 Explore More Find the ...

7.10. Proportions with Angle Bisectors http://www.ck12.org Find the unknown lengths. 5. 6.Error Analysis Casey attempts to solve ...

http://www.ck12.org Chapter 7. Similarity 8. 9. 10. ...

7.10. Proportions with Angle Bisectors http://www.ck12.org 11. 12. 13. ...

http://www.ck12.org Chapter 7. Similarity 14. 15. 16. ...

7.10. Proportions with Angle Bisectors http://www.ck12.org 17. 18. 19. ...