Respuesta :

clarch19

Answer:

m∠1 = 37°

Step-by-step explanation:

if m∠5 = 137 then m∠2 = 43 (supplementary angles)

if m∠7 = 100 then m∠3 = 100 (vertical angles)

m∠1 + m∠2 + m∠3 = 180°

m∠1 + 43 + 100 = 180°

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