Answer:
b is the correct answer
Explanation:
92 degree +30 degree +angle 1 = 180 (Since, Sum of angles of triangle is 180 degree)
Therefore, angle 1 is 58 degree .
Answer: 58 degrees
Step-by-step explanation: add the 2 angles that you know together, then subtract that number from 180. This is using the triangle sum theorem.
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