What is the measure of XY?

Choice B, 46°

Knowing that minor arc UV, is 38°, and that both arcs, UV and XY are connected to the angle of 42° from point Z, you would do the inverse of what was done at minor arc UV.

Since arc UV was an arc of 38°, with the angle m∠UZV being 42°, there was a 4° reduction in the angle.

Because arc XY, is similar to arc UV, you'll simply add 4° this time to 42°.

42° + 4° = 46° (Choice B)

ummm seems that u didnt post the attachement !