. Find m/FBD if ZFBD and ZDBE are complementary A 30° B 45° and m/FBD is twice m/DBE. C 60° D 90°

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Chapter2: Right Triangle Trigonometry
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Number 11 from pic.
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
BZCBD
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
DZEBA
F
4(6)+
4x+9=2x-9
+9
4x+18=7
4x
+ (x − 3) km
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 BZCBD 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 DZEBA F 4(6)+ 4x+9=2x-9 +9 4x+18=7 4x + (x − 3) km
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