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Tom Susel · Answer 1 · 2021-06-16T08:38:18+0000

Answer:

71°

Explanation:

m∠1 = (SR + TU)/2

m∠1 = 63°

SR = 55°

substitute into the equation

63° =(55° - TU) / 2

TU = (63° * 2) - 55°

TU = 71°