griff's answer to Dunelm's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
griff
Griff's answer
71 answers (Tutor Details)
Shoelace method for part b. Take note for future questions if they do ask for EXACT area especially these kinda surds qns but in this case need not exact