△XYZ was reflected over a vertical line, then dilated by a scale factor of , resulting in △X'Y'Z'. Which must be true of the two triangles? Check all that apply. △XYZ ~ △X'Y'Z' XZY ≅ Y'Z'X' YX ≅ Y'X' XZ = 2X'Z' mYXZ = 2mY'X'Z'