Answer:
114°
Step-by-step explanation:

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
Answer:
around 5 miles per hour
Step-by-step explanation:
Irrational is the correct answer