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hichkok12 [17]
3 years ago
9

Two angles are supplementary and one of them is 31°

Mathematics
2 answers:
notsponge [240]3 years ago
7 0
It is A= 149 because it adds to 180. 180-31=149
Mazyrski [523]3 years ago
5 0

A 149°

Answer:

149°

Step-by-step explanation:

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