We started with the condition that the new triangle formed BCD must be similar to the original triangle ABC. Hence the angle BAC must equal the angle CBD (which we have assumed to be x). regards J Reply

This year? No, as far as I know. In the past? A couple of times the knowledge would have helped. regards J Reply

How do you manage to find angle BAC must be x?

We started with the condition that the new triangle formed BCD must be similar to the original triangle ABC. Hence the angle BAC must equal the angle CBD (which we have assumed to be x).

regards

J

Did questions pop up from CAT based on golden ratio?

This year? No, as far as I know. In the past? A couple of times the knowledge would have helped.

regards

J