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Use the given information to find the approximate area of AABC. In Exercises 6 and 7 the altitude from C lies outside the triangle. 1. (SAS) 2. (HL) AB = 8, m LB = 67, BC = 15 30, BC mLC = 90. AB = = 20 (Use V5 = 2.236.) 3. (SSS) AB = 10, ВC 3D 12, CA = 8 (Hint: Use Heron's Formula.) 4. (ASA) m LA = 28, AB = 10. m LB = = 42 5. (AAS) m LA = 36, m LB 80. BC = 10 (Hint: Find the measure of 2C. Then proceed as in Example 2.) 6. (SAS) AB = 12. m LA = 118, AC = 20 7. (ASA) m LA = 107, AB = 20, m LB = 35

Use the given information to find the approximate area of AABC. In Exercises 6 and 7 the altitude from C lies outside the triangle. 1. (SAS) 2. (HL) AB = 8, m LB = 67, BC = 15 30, BC mLC = 90. AB = = 20 (Use V5 = 2.236.) 3. (SSS) AB = 10, ВC 3D 12, CA = 8 (Hint: Use Heron's Formula.) 4. (ASA) m LA = 28, AB = 10. m LB = = 42 5. (AAS) m LA = 36, m LB 80. BC = 10 (Hint: Find the measure of 2C. Then proceed as in Example 2.) 6. (SAS) AB = 12. m LA = 118, AC = 20 7. (ASA) m LA = 107, AB = 20, m LB = 35

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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Use the given information to find the approximate area of AABC. In Exercises 6 and 7 the altitude from C lies outside the triangle. 1. (SAS) 2. (HL) AB = 8, m LB = 67, BC = 15 30, BC mLC = 90. AB = = 20 (Use V5 = 2.236.) 3. (SSS) AB = 10, ВC 3D 12, CA = 8 (Hint: Use Heron's Formula.) 4. (ASA) m LA = 28, AB = 10. m LB = = 42 5. (AAS) m LA = 36, m LB 80. BC = 10 (Hint: Find the measure of 2C. Then proceed as in Example 2.) 6. (SAS) AB = 12. m LA = 118, AC = 20 7. (ASA) m LA = 107, AB = 20, m LB = 35
Transcribed Image Text:Use the given information to find the approximate area of AABC. In Exercises 6 and 7 the altitude from C lies outside the triangle. 1. (SAS) 2. (HL) AB = 8, m LB = 67, BC = 15 30, BC mLC = 90. AB = = 20 (Use V5 = 2.236.) 3. (SSS) AB = 10, ВC 3D 12, CA = 8 (Hint: Use Heron's Formula.) 4. (ASA) m LA = 28, AB = 10. m LB = = 42 5. (AAS) m LA = 36, m LB 80. BC = 10 (Hint: Find the measure of 2C. Then proceed as in Example 2.) 6. (SAS) AB = 12. m LA = 118, AC = 20 7. (ASA) m LA = 107, AB = 20, m LB = 35
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