Two angles of a triangle measure 12 degrees and 40 degrees. What is the measurement of the third angle of the triangle
2 answers:
Answer: 128 degrees
Step-by-step explanation:
Answer:
128
Step-by-step explanation:
A triangle's angles must add up to 180 degrees, so 180 = 40 + 12 + x which is the same as 180 - 40 - 12 = x
x = 128
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