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liubo4ka [24]
2 years ago
8

What is the measure of angle UST?

Mathematics
1 answer:
kiruha [24]2 years ago
8 0

Answer:

C 30 degrees

Step-by-step explanation:

Sum of interior angles of a triangle = 180°

⇒ ∠UST + 78 + 72 = 180

⇒ ∠UST = 180 - 78 - 72

⇒ ∠UST = 30°

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