Concept / Idea on "Arc & Sector" (For Form 4 and 5)

Concept / Idea on "Arc & Sector"

Get the Concept right and try question in the following link again =)

Question 1 and 2 in :

http://ttcmaths.blogspot.com/2013/02/form-4-paper-2-please-try-out.html

have fun =)

Liang J