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gizmo_the_mogwai [7]
3 years ago
11

HELP PLEASE!!!!! I will mark you as brainlyist!!!!!

Mathematics
1 answer:
GenaCL600 [577]3 years ago
3 0

Answer:

77° + 90° + x° = 180°

x° = 180° -77° -90°

x° = 13°

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