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
Related questions
Question
Number 15 on picture
Transcribed Image Text:BC and BE are opposite rays.
11. Find m/FBD if ZFBD and ZDBE are
complementary and mZFBD is twice m/DBE.
C 60°
D 90°
A 30°
B 45°
13. Which angle is a vertical angle to ZABE?
A ZDBE
B ZCBD
C ZABC
12. Which pair of angles are supplementary?
F ZABE, ZCBD G ZABC, ZABD H LABC, ZCBD J LABC, ZEBD
14. If m/CBF = 6x + 18, find the value of x so that CB BF.
F 90
G 45
H 18
J 12
15. Find m/ABC if m/ABC= 4x + 9 and m/EBD = 7x-9.
A 6
B33
C 45
D 73
16. Which describes this figure?
B
regular
E
D ZEBA
F
4(6)+
4x+9=2x-9
+9
4x+18=7
4x
+ (x − 3) km
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