Woon Kiat's answer to Royal Lim's Secondary 4 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Woon Kiat
Woon Kiat's answer
322 answers (Tutor Details)
1st
Since you have completed part B, you should be able to find 'h' using 1/2xbxh=area of triangle PQR (PQ as the base)
Hope this helps.