3. The three angles of a triangle measure x°, y° and 46°. Which of the following statements must be true?

a. y=x+46

b. y=180-x

c. y+x=180-46

d. x+y=46

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# 3. The three angles of a triangle measure x°, y° and 46°. Which of the following statements must be true?
a.

3. The three angles of a triangle measure x°, y° and 46°. Which of the following statements must be true?

a. y=x+46

b. y=180-x

c. y+x=180-46

d. x+y=46