Respuesta :

Answer:

1.) 45  2.) 93   3.) 80

Step-by-step explanation:

Answer:

Triangle 1: 45

Triangle 2: 93

Triangle 3: 80

Step-by-step explanation:

All triangle angles must equal 180 degrees!!!

Now lets solve :)

Triangle 1

45 + 90 + x = 180

135 + x = 180

180 - 135 = 45

x = 45 :)

Triangle 2

36 + 51 + x = 180

87 + x = 180

180 - 87 = 93

x = 93 :)

Triangle 3

63 + 37 + x = 180

100 + x = 180

180 - 100 = 80

x = 80

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