3 years ago

Help ASAP I’ll mark branliest

Mathematics

1 answer:

Romashka [77]3 years ago

6 0

Answer:

$129^{0}$

Step-by-step explanation:

Supplementary angles are two angles of which add up to $180^{o}$ .

Subtract 180 - 51 = 129

$=129^{o}$

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