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attashe74 [19]
3 years ago
15

Hey please help me! :P Giving out brainlest too! :P

Mathematics
1 answer:
meriva3 years ago
5 0

Answer:

7.8 (1dp)

Step-by-step explanation:

k=180-161

k=19°

180=18z+3+5z-3

180=23z

z=180/23

z=7.8 (1dp)

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