Any korean here wana be my friend plz comment down​​

Module 10 coordinate proof using slope and distance answers is quadrilateral abcd a parallelogram? explain how you know.

What is sin 7x/4 ? i need on this urgent trig

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