Jiayang's answer to Alyssa Ong's Junior College 2 H2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jiayang
Jiayang's answer
1883 answers (Tutor Details)
1st
I believe the answer provided is incorrect. If you evaluate the answer given it's only ≈0.79m² which is suspiciously small.