Aclothing manufacturer checks the level of satisfaction people have with the merchandise by measuring the number of returns versus the number sold. use complete sentences to describe why this scenario represents an observational study.

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext