What is the area of the obtuse triangle below? A. 252 sq, units
B. 39 sq units
C. 126 sq. units
D. 21 sq, units

Find the distance between c and d on the number line c=3 and d=11

Ineed here’s a picture of the question

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.