Respuesta :

TylerWinchester

Since all triangles equal 180 degrees. You will subtract (128 + 23) from 180.

180 - 146 is 34 degrees.

x=34

IcefromTaiwan
The sum of the three angles of a triangle is 180°

So just minus 180° by 128° and 23°

180° - 128° - 23° = 180° - 151° = 29°

the answer x = 29°

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