25-05-2021
Mathematics

contestada

Can someone please help me (Math)

Can someone please help me Math class=

Respuesta :

25-05-2021

Answer:

x = 11

Step-by-step explanation:

Since this is a triangle, all interior angles add up to 180 so:

57 + 73 + 3x + 17 = 180

3x + 147 = 180

3x = 180 - 147

3x = 33

x = 11

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