ANSWER
D. 70 degrees
EXPLANATION
We have that
From the rectangle, we see that
So:
We have to name an angle in the diagram:
So, we see that AED is a triangle formed by the diagonals.
In AED, we have This means that:
=> 55 + 55 +
It is noteworthy that
Vertically opposite angles are equal.
This means that:
Option D is the answer.
