# SAT Math Multiple Choice Practice Question 256: Answer and Explanation

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**Question: 256**

**14.**

In the figure above, and . Which of the following expresses *y* in terms of *x*?

A.

B.

C.

D.

E.

**Correct Answer:** A

**Explanation:**

**A** Indicate the congruent sides with tick marks: in a triangle, the angles across from equal sides are equal; indicate this in the diagram. Your angles should be marked as shown. Since the angles in a triangle have a sum of 180°, ,