Page 126 - Math SL HB Sem 1

,
\- [Maxrmtnt mork: 6J
{
Tlle diagrarn below shos.s a circle centre 0, with radirrs r, The leagrh of arc ABC rs
4
3n cm ald IOC =
9

C
diagrom nol lo
scale

G) Find the value of i-- A,ns ' n 13.5 [2 nark]

(b) Find the pemneter of sector OABC. jb [2 marksJ
4t,l +
'
(c) Fird the area of sector OABC-
h",t' oi. L [) marksJ