How do I solve this question in Geometry

asked Feb 10, 2022 59.9k views

8 votes

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11 votes

Answer:

75°

Explanation:

Δ on left is 60-80-40°

Δ on right is 30-75-75°

the ∡ with the question mark has to be 75° also since it is vertical with the angle opposite it, which is also 75°

ArcherBird answered Feb 15, 2022

4.6k points

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