The answer would be 20 ft
because...
BC / CA = EF / FA
x/28 = 5/7 (multiply both sides by 28)
x= (28/7) x 5 = 4 x 5 = 20
Hope this helps! :)
Answer:
i belive 20 feet.
Explanation:
i remember helping my sister out with this a few weeks ago.
