Find the median mean and mode 180,170,120,180,110,130,160

The triangles are similar. what is the value of x? show your work.

Can someone me with this problem i don't understand i need

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