Please help I will mark you as brainiest
calculating angles

Since CD and DF lie on the same line, we have

Clearly, CDA=90 (because ABCD is a square), and FDE=60 (because DEF is equilateral). So, the previous equation becomes

Now, since ADE is isosceles, we have

The angle you want is the sum of AED and AEF, and they are both known by now. Sum their measures and you'll get your answer.

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