mohon bantuannya kak....

x = 180* - 85* = 95*

y = 180* - 85* -35* = 60*

z = 180* - 60* = 120*

w = 180* - 35* = 145*

nilai x, y, z, w berturut-turut adalah:
95*, 60*, 120*, 145* (jawaban D)