Draw DH perpendicular to AE.
By the Side-Angle-Side postulate ΔABE = ΔBEF.
this is the enitre answer: https://web2.0calc.com/questions/in-square-abcd-e-is-the-midpoint-of-line-bc-and-f-is-the-midpoint-o...
(x-5,y+8)
the x basically decreased- to the left
and y increased- upwards
63/9 + 40 - 35/7 =
7 + 40 - 5 =
47 - 5 =
42 <==
