@uktrainstations I used sine rule to find angle BCA (angle ABC was already given as 70 degrees). After finding angle BCA I then used angles in a triangle sum to 180 to find angle BAC (rounding it to 1 d.p.)
After completing HegartyMaths almost a month ago, I've decided to try and ace every revision website I possibly can. Thanks to everyone at @HegartyTeam (especially @hegartymaths) for this fantastic challenge! (the email is the proof I sent of me finishing it). #DeltaTrust