Question

CAN SOMEONE PLEASE HELP ME ASAP PLEASEEEE!!!​

Answer 1

x = 12

Explanation:

the other explanation might be confusing so here is the answer again to sum it up

Answer 2

Could be wrong but since given the smaller quadrilateral is similar to to larger one, by definition the ratio of there corresponding sides would be congruent. Length of 5 of ec is to 10 of bc as the length of fe (6) is to the length of ab would be 12