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Nat2105 [25]
3 years ago
11

Find the supplementary angle of 128.9

Mathematics
2 answers:
Volgvan3 years ago
8 0
Supplementary angle= 180°

180° -128.9° = 51.1°

The final answer is 51.1°~
aalyn [17]3 years ago
7 0
We know that a supplementary angle is equal to 180. Since we have one angle, we can easily find the other angle.
180 - 128.9 = 51.1
The other angle is equal to 51.1 degrees
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