Answer :

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)