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Answer: 73 degrees
Step-by-step explanation:
A line is 180 degrees. 180 - 115 = 65. 180 - 138 = 42
The interior angles of a triangle will also equal 180.
65 + 42 = 107
180 - 107 = 73
Answer:
253
Step-by-step explanation:
I didnt know if i added or multiply