Page 126 - Math SL HB Sem 1

ll.. [Maximum mork: 6J

{
The diagrarn below shos.s a circle centre O, wi*r radius r- The leagth of arc ABC is
Jt cm arrd AOC:4
9

C
diagrm nol lo
scale

G) Fiad the value of r hns , / , lt .5 [2 narbl

(b) Find the periureter oI sector OABC jb rnarks]
hv,s' + [2

(c) Find thc area of sector OABC, [2 narks]
h"-rt' ai. L