Quiz (1 point)

• if ray BD bisects ∠ABC, then m∠ABD = m∠DBC
• if (m∠XPW = 180) and (m∠YPZ = 180), then m∠WPZ = m∠XPY

• if the following are true:

  • a = b
  • b = c

  then c = a

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.