Respuesta :

taydebna

45 degrees

Step-by-step explanation:

A triangle equals 180 degrees

so 80+55= 135

180-135=45

45 degrees

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josshyaby

Answer:

Step-by-step explanation:

This is an equalateral triangle. So all the sides are equal

I.e 5x-22 = 4x-10 = 3x + 2

So

4x - 10 = 3x + 2

Collecting like terms

4x - 3x = 2 + 10

x = 12°

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