Answer
shaun drew δlmn, in which m∠lmn = 90°. he then drew δpqr, which was a dilation of δlmn by a scale factor of 3 from the center of dilation at point m. which of these can be used to prove δlmn ~ δpqr by the aa similarity postulate?

a.) segment lm = 3sengmentpq; this can be confirmed translating point p to point l.

b.) segment mn = 3segment qr; this can be confirmed translating point r to point n

c.) m∠p ≅ m∠n; this can be confirmed by translating point p to point n.

d.) m∠r ≅ m∠n; this can be confirmed by translating point r to point n.