I used coordinate geometry on the problem `gonitzoggo.com/archive/problem/32`

and got BX value of 0.5 and value of AB = 1 . I probably did something wrong. The area of ABX works out to 0.25 which is apparently wrong. Can someone point it out?

`gonitzoggo.com/archive/problem/32`

and got BX value of 0.5 and value of AB = 1 . I probably did something wrong. The area of ABX works out to 0.25 which is apparently wrong. Can someone point it out?