Question

Find the value of x, y, and z. (see picture)

Answer 1

z=72°+57°(EXTERIOR ANGLES OF A TRIANGLE)

z=129°

x+57°=180°(ANGLES ON A STRAIGHT LINE)

x=180°-57°

x=123°

y+72°=180°(ANGLES ON A STRAIGHT LINE)

y=180°-72°

y=108°

HOPE THIS HELPS.