Answer:
b = 7
z = 65
this is correct answer of this question hope it helps and your day will be full of happiness ^_^
b=7
Z=65
Explanation:
18b-11+9b+2=180
27b-9=180
27b=180+9
b=189/27
____________
Angle Z=9×7+2
=63+2
hope it helps you...
have a great day!!!
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