Is anybody good at algebra 2?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

∆red ≅ ∆ by rule will give brainiest if possible

Abcd is a square. what is the measure of angle bac