Gerard Goh's answer to Javier's Secondary 4 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Gerard Goh
Gerard Goh's answer
8 answers (Tutor Details)
1st
It's good to see what kind of triangles you can form with vertical and horizontal distances :)

Hope it helps!