Respuesta :

Answer:

54

Step-by-step explanation:

As we know s+19+(180-73)=180

so s+19=73

s=54


Answer: 54°

Explanation:

73° is a complementary angle so the angle next to it has to add up to 180 so it’s 107

All 3 angles have to add up to 180 so 107+19=126

180-126= 54

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