ra247310 ra247310

30-08-2022
Mathematics

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Medunno13 Medunno13

30-08-2022

Answer:

B

Step-by-step explanation:

[tex]m\angle ABZ+m\angle ZBC=m\angle ABC \\ \\ 12x+55=16x+15 \\ \\ 4x=40 \\ \\ x=10 \\ \\ \therefore m\angle ABZ=120^{\circ}[/tex]

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