Respuesta :

ashton59
It tells us that angle 3 is a right angle(90 degrees) and it also tells us that angles 1 and 2 are congruent therefore you would take 180-90=90/2=45 so the answer would be 45. Hope this helps:)

Answer:

42°

Step-by-step explanation:

Bottom of Ray = 180

1=2

180-90=90

90/2=45

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