Question

What is the correct answer

Answer 1

1)
`m\angle A=76^(\circ)` (given)

2)
`m\angle B=76^(\circ)` (base angles theorem)

3)
`m\angle BCA=28^(\circ)` (sum of angles in a triangle)

4)
`m\angle ECD=28^(\circ)` (vertical angles)

5)
`m\angle DEC=90^(\circ)` (perpendicular lines)

6)
`m\angle D=62^(\circ)` (sum of angles in a triangle)