Mr Ang's answer to Jane lee's Secondary 3 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Mr Ang
Mr Ang's answer
347 answers (A Helpful Person)
1st
Kindly verify the workings eh, thanks.
Jane lee
Jane Lee
3 years ago
Why angle = 30degree?
Jane lee
Jane Lee
3 years ago
Sorry Mr. Ang, i undersrand
Jane lee
Jane Lee
3 years ago
TQ
Mr Ang
Mr Ang
3 years ago
You're welcome, Jane.