i just relooked over q7 and it was an easy question...the only thing i had trouble with was a...but in the exam i was running out of time, saw projectile motion and decided to go over other bits i missed...pity, i might have passed doing q7.
I did that but then i ran out of time when substituting them in to the area formula for a triangle...i didnt get to simplify to the answer...
i might get 1 or 2 marks then. :D