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4. The three angles of a triangle measure x°, y° and 39°. Which of the following statements must be true?
A. y=x+39
b. y+x=180-39
C. x+y=39
D. y=180-x

Respuesta :

Herminis

Answer:

It is: C. x + y = 39

Step-by-step explanation:

Since the first angles are always added unless they are in a fraction, but since that is not the case they are added and gives 39.

And if you want to know the measures of x, y.

X: is 55º

Y: it is 79º

I hope I have helped.

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