Ryan built wooden toys. Each toy had a mass of kilograms. What was the total mass of the toys that he built?
Write your answer in simplest form.

Plz i will give brainiest

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.