Quiz (1 point)

• if (WX || YZ) and (m∠WSX = 180) and (m∠YTZ = 180), then m∠WST = m∠STZ
• if (WX || YZ) and (m∠WSX = 180) and (m∠YTZ = 180), then m∠WST = m∠STZ
• if m∠ABC = 180, then m∠BCX = m∠ACX

• if the following are true:

  • a = b
  • b = c

  then a = c

• if the following are true:

  • a = c
  • b = c

  then a = b

• if m∠ABC = 180, then m∠XAB = m∠XAC

• if the following are true:

  • a = b
  • b = c

  then a = c

• if (m∠YKJ = m∠WJI) and (m∠WJX = 180) and (m∠YKZ = 180) and (m∠KJI = 180), then YZ || WX

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.