Find the measures of angles 1, 2, and 3.
A. ? 1 = 129°; ? 2 = 51°; ? 3 = 129°
B. ? 1 = 39°; ? 2 = 90°; ? 3 = 51°
C. ? 1 = 39°; ? 2 = 90°; ? 3 = 39°
D. ? 1 = 39°; ? 2 = 102°; ? 3 = 39°
Answer: C
Mathematics
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