Which equation can be used to calculate the area of the shaded triangle in the figure below?
(a) 2(16 × 6) = 192 square feet
(b) 2(16 + 6) = 44 square feet
(c)(16 × 6) = 48 square feet
(d) (6 + 16) = 11 square feet

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.