Three tricycles travelled (x – 1) kilometers. The blue tricycle travelled (x2 – 1) hours, the red tricycle travelled (x2 – 2x + 1) hours and the green tricycle travelled (x2 – 4x + 3) hours.

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.