Respuesta :

blackb3rry

Answer:

161 - 6x

Step-by-step explanation:

3 angles in a triangle all add up to 180 degrees so:

180 - (4x + 18 + 2x + 1)

180 - (4x + 2x + 18 + 1)

180 - (6x + 19)

180 - 6x - 19

180 - 19 - 6x

161 - 6x = your third angle

Let me know if you wanted to find x or if I've done anything wrong!

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