Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
LockB
LockB

secondary 3 chevron_right A Maths chevron_right Singapore

need help with this qn (both parts) ,, pls explain too :)

also, for b i got the ans AC = 4m but the answer is wrong

Date Posted: 3 years ago
Views: 175

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
The order of lettering is very important for this particular topic on similarity.
Eric Nicholas K
Eric Nicholas K
3 years ago
Also, I immediately “rotated” and redrew the two similar triangles to the same orientation for easy comparison. You should do this as well once you identify the triangles.
Eric Nicholas K
Eric Nicholas K
3 years ago
With no lengths given for the first part, the way to prove the similarity MUST BE by AA, since the absence of lengths renders SAS and SSS redundant.
LockB
LockB
3 years ago
tyvm for your help :)