Respuesta :
Answer:
58
Step-by-step explanation:
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
Answer:
58
Step-by-step explanation:
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