XYZV is a straight line calculate the values of a b and c
Plzzzz help!!!

Answer:
as xy=yw
a=33------(1)
now...let zyw be ext angle of triangle xyw
33+a=zyw
zyw=66
zyw=zyw=66
now by asp...
b=180-66-66
b=48....(2)
let vzw be ext angle of triangle xwz
c=a+b+33
c=33+48+33
c=114....(3)