Respuesta :

Step-by-step explanation:

We have a diameter and vertical angles so

231.

180+51=231

wegnerkolmp2741o

Answer:

231

Step-by-step explanation:

The measure of arc WX is 51

XZ is a straight angle so its arc measures 180 degrees

The measure of arc WYZ

WYZ= WX + XZ

        = 51 + 180

            231