Answer:
okay let's start
Step-by-step explanation:

8 is the answer
Ignore this part, Brainly wants more than 20 characters
If we draw a diagonal which will also be a transversal DB, then we get ∠ADB is congruent to ∠CBD by Alternate interior angles.
It will be the first option.
I think The side is 90 in
Answer:
50
Step-by-step explanation:
all angles must equal to 180