*73 POINTS AND BRAINLIST* what is the value of x in these polygons?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

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

If chord ab is congruent to chord cd, then what must be true about ef and eg?