In the diagram, the ratios of two pairs of corresponding sides are equal. To prove that △lmn ~ △xyz by the sas similarity theorem, it also needs to be shown that ∠n ≅ ∠z ∠n ≅ ∠x ∠l ≅ ∠z ∠l ≅ ∠y.

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant