Page 133 - Math SL HB Sem 1

(c) Given that aig i. t,e: radirns, calcular,e the area of

(, secror PAEB;
tmt lj cvn"

(n) sector OADB, ll . cm-
hns. [5 tnarkJ
ol
(d) The area of the quadrilateral AOBp is 5,g l cml

(,
A"s
Find the area ofAOBE _ 7 .t1
(i, Hence find the area of the shaded regiol AEBD
A.s I t-t [4 nmrks]

lL ' [Maxinum rnrk: 2lJ

The followirg diagram shorvs apearagonABcDE, rvith A3:9,2 crrr. BC
= J,2 c,,., .
BD=7.1cm. AED =1I0". ADE=52'anA ABO=00.,

'7 .t cnl
c

1.2 cm
9.2 cm B

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

O) Find DE. h"ts, 4 75 [4 uarlx]

k) The area of triaogre BCD is 5-68cm2. Fird DBC- ltnt, roo
for$go[4mark]

(d) Find AC.
hnt'. 4-** [4 rnarbJ
hns , j 4. 0 c*,t [5 marbJ
(.) Fmd the area of quadrilateral ABCD- a