Step-by-step explanation: Here we can divide the explanation into 4 parts once there are four gaps to be full filled on our table
1. CA || DB and E is the midpoint of AD ⇒ this is a true statement once it is GIVEN on our question.
2. The next step is to prove we have at least an angle that is similar for both triangles and we can see that ∠AEC ≅ ∠DEB once they are vertical angles. We know that because the vertical angles theorem says that once there are two straight lines that intersect each other they form two pairs of congruent angles as shown bellow
We can see above that angles 1 and 2 are congruent in the same way that angles 3 and 4 are congruent too.
3. for the third step we can see that we can use the Defin