Sort:  

since AB parallel DC and AD same length as BC
either z=110° or z=180°-110° and x=y or x=180°-y
form the picture I would say z=110° is the case and so x=y
360°=110°+x+y+z
250°=110°+x+y
140°=2x
x=70°

answer x=70° y=70° z=110°

Coin Marketplace

STEEM 0.18
TRX 0.24
JST 0.034
BTC 96927.67
ETH 2671.50
SBD 0.43