Question 1062577
.
Same as the measure of the corresponding angle in the similar triangle.



In other words, angle F is congruent to the Angle E.



<U>Explanation</U>. In Math, when somebody says 


<pre>
    triangle  A B E  is congruent to triangle  D C F
</pre>

it means that the vertices (and the angles) are listed in the correct/corresponding order.



<U>Notice</U>.  It also means that the person who states the congruency, is responsible for the correctness of his words.