26) CAY =

\(\angle CAY = \angle ZAY - \angle ZAC\)

\(\angle ZAC\) = 180° - \(\angle ZAB\) - \(\angle BAC\) = 180° - 160° = 20°

\(\angle ZAY\) = 180° - \(\angle ZAB\) - \(\angle BAY\) = 180° - 10° = 170°

\(\angle CAY\) = 170° - 20° = 150°

Ответ: 150°