In ` A B C ,D` is the mid-point of `B Ca n dE D` is the bisector of the `/_A D Ba n dE F` is drawn parallel to `B C` cutting `A C` in `F` . Prove that `/_E D F` is a right angle.

Explanation

To prove that angle EDF is a right angle, we will follow these steps:

### Step-by-Step Solution:

1. **Identify Given Information:**
- Triangle ABC is given.
- D is the midpoint of BC.
- ED is the bisector of angle ADB.
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