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BARSIC [14]
3 years ago
5

Please help with these few!!?​

Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0

Answer:

Triangle 6: 74

Triangle 7: 29

Triangle 8: 61

Triangle 9: 33

Step-by-step explanation:

Every triangle has a total degree angle of 180 degrees. Add the two sides that  are known and subtract the sum from 180 degrees to find out the last angle.

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