Answer:
l think the problem of the is your work is not of the number l got.
x=2
First you write down all even integers that divide 20.
Those are: 2,4,10,20
Since the request is that integer is less than n, 20 cannot be the answer.
This means that greatest even integer is 10
Answer is 10.
The first one is correct because the angle on the opposite side is the same, and the second one is correct too because it's the same points. So you can pick either or.