Given that:

WX || YZ

m∠WSX = 180

m∠YTZ = 180

m∠RST = 180

Prove that:

m∠WSR = m∠YTS

The following properties may be helpful:

m∠ABC = m∠CBA
if (WX || YZ) and (m∠WSX = 180) and (m∠YTZ = 180) and (m∠RST = 180), then m∠WSR = m∠STY
if the following are true:
- a = b
- b = c
then a = c

Please write your proof in the table below. Each row should contain one claim. The last claim is the statement that you are trying to prove.

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