Answer:
B
Explanation:
57+65= 122
180-122= 58
58
Angles in a triangle add up to equal 180
So 65 + 57 + ? must equal 180
Solve for ?
65 + 57 + ? = 180
Combine like terms
122 + ? = 180
Subtract 122 from both sides
122 - 122 + ? = 180 - 122
? = 58
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