ANSWER PLEASE i am really stuck on the question

Do 12/14 and 8/10 have the same value? explain your answer.

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

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x