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the geometric mean between the numbers. and 18 2. 9 and 80 implify the radical expressions. - V75 b. V3

the geometric mean between the numbers. and 18 2. 9 and 80 implify the radical expressions. - V75 b. V3

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Chapter 8 Find the geometric mean between the numbers. 1. 8 and 18 2. 9 and 80 3. Simplify the radical expressions. a. V75 V3 In the diagram, ZACB is a right angle and CD 1 4. AADC ~ A ? , and AADC ~ A_?.. 5. CD is the geometric mean between 6. CB is the geometric mean between ? 7. If AD = 9 and CD AB. and Exs. 4-7 and ? 6, then DB = ? D B A Tell whether a triangle formed with sides having the lengths named is acute, obtuse, or right. If a triangle can't be formed, write not possible. 8. 2, 7, 10 9. 6, 6, 2 10. 5, 12, 13 11. 5, 8, 15 Find the value of x. 12. 13. 14. 15. 10 10 10 30° 450 2x 12 For Exercises 16–23 find angle measures and lengths correct to the nearest integer. 16. 4 4 44 17. 18. 19. 12 7 31° 50° 55° 20. 21. 22. 13 10 15 18 35 12 30° 23. A building casts a shadow 40 ft long when the sun's angle of elevation is 58°. Find the height of the building.
Transcribed Image Text:Chapter 8 Find the geometric mean between the numbers. 1. 8 and 18 2. 9 and 80 3. Simplify the radical expressions. a. V75 V3 In the diagram, ZACB is a right angle and CD 1 4. AADC ~ A ? , and AADC ~ A_?.. 5. CD is the geometric mean between 6. CB is the geometric mean between ? 7. If AD = 9 and CD AB. and Exs. 4-7 and ? 6, then DB = ? D B A Tell whether a triangle formed with sides having the lengths named is acute, obtuse, or right. If a triangle can't be formed, write not possible. 8. 2, 7, 10 9. 6, 6, 2 10. 5, 12, 13 11. 5, 8, 15 Find the value of x. 12. 13. 14. 15. 10 10 10 30° 450 2x 12 For Exercises 16–23 find angle measures and lengths correct to the nearest integer. 16. 4 4 44 17. 18. 19. 12 7 31° 50° 55° 20. 21. 22. 13 10 15 18 35 12 30° 23. A building casts a shadow 40 ft long when the sun's angle of elevation is 58°. Find the height of the building.
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