Page 133 - Math SL HB Sem 1

(c) Given tbat ApB is 1.63 radi:rns, calctrlate the area of

(, sector PAEB;
hns'. | 3
"vn'

G) sector OADB - kns, ll .4 cm' [5 marb]

(d) The area of the quadrilaterat AOBp is 5.81 cm!

(, Find the area ofAOBE.
Ant'. 1 .lr1

h,s 't . 1-l [4 marksJ
(ii) Hence find the area of tbe sha&d regior AEBD ,

lL. []ufminum nark: 2ll

The following diagram shorvs a peatagon ABCDE, rvith AB
= 9,2 c*r , BC = 3 2 crn -
BD=71cur, AED=110". ADE=52" a:rd ABD=60.

(:tD
C

3.2 c.rr
9.2 ca B

hnt: 8 .i5 [4 markJ
(u) Find AD

O) Find DE hns, 4.75 [4 narlxJ

G) Tte area of tria''ole BCD is 5.6g c,o2 - Fifld Dflc. , .J.o
hn t ggo [4 nartxJ
fo"

(d) Find AC,
ftv, l: -1* [4 narbJ
01
(e) Frud the area of quadrilateral ABCD. '. j
hvs +. o t*n\ [5 marbJ