I figured out most of the angles and know how to complete it, just not with the options it gives me in the dropdown menu :/ given:
- ab || cd , ad || bc , de ⊥ fc

the options:
- vertical angles
- linear pair (or triple)
- congruent angles
- sum of angles in a triangle
- sum of angles in a quadrilateral
- base angle of an isosceles triangle
- angle bisector definition
- corresponding angles
- alternate interior angles
- alternate exterior angles
- same side interior angles
- angle addition posulate
- angle subtraction postulate
- perpendicular lines form right angles