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13. Suppose D is the midpoint of AC, AD = 9x and DC = x+4. Find AC. оо O 6.5 9 OO 9.5 12 14. Suppose BD is an angle bisect of ABC. If mzABD = 30°, what is the m

13. Suppose D is the midpoint of AC, AD = 9x and DC = x+4. Find AC. оо O 6.5 9 OO 9.5 12 14. Suppose BD is an angle bisect of ABC. If mzABD = 30°, what is the m

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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For numbers 13-15, refer to figure number 5 D Figure 5
Transcribed Image Text:For numbers 13-15, refer to figure number 5 D Figure 5
13. Suppose D is the midpoint of AC, AD = 9x and DC = x+4. Find AC. 6.5 9 9.5 12 14. Suppose BD is an angle bisector of <ABC. If m<ABD = 30°, what is the m<A? 10 30 50 60 15. Suppose BD is an angle bisector of <ABC. If mzABD = xº, and mzCBD = 2x - 30, then x = ? 10 30 50 60
Transcribed Image Text:13. Suppose D is the midpoint of AC, AD = 9x and DC = x+4. Find AC. 6.5 9 9.5 12 14. Suppose BD is an angle bisector of <ABC. If m<ABD = 30°, what is the m<A? 10 30 50 60 15. Suppose BD is an angle bisector of <ABC. If mzABD = xº, and mzCBD = 2x - 30, then x = ? 10 30 50 60
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