Respuesta :

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Answer:

45°

Step-by-step explanation:

m∠5 is 45°, and m∠7 is a vertical angle, so it has the same value.
Answer: 45 degrees

Explanation : m<5 and m<7 are vertical angles and vertical Angles are congruent so if m<5 is 45 then m<7 is 45

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