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wjidk jdr mÍlaIKh - 2013 .Ks;h - 9 jir ^i fldgfia m%YaK ish,a,guo ii fldgiska m
- Page 2 and 3: S (02) ir, odrh yd ljlgqj muKla Nd
wjidk jdr mÍlaIKh - 2013<br />
.Ks;h - 9 jir<br />
^i fldgfia m%YaK ish,a,guo ii fldgiska m
S<br />
(02)<br />
ir, odrh yd ljlgqj muKla Ndú;d lr ks¾udK f¾Ld meyeÈ,sj olajñka my; i|yka ks¾udKh lrkak<br />
i. 7.2 cm la È. ir, f¾Ldjla we| th AB f,i kï lrkak.<br />
^<br />
0<br />
ii. BAC = 60 la o AC mdoh 5 cm la o jk fia ABC;s%fldaKh ks¾udKh lrkak.<br />
iii. ACB fldaKfha w.h uek ,shkak<br />
iv. AB yd BC mdoj,g iu ÿßka .uka lrk ,laIhkaf.a m:h ks¾udKh lrkak.<br />
v. AC mdoh yuqjk ,laIh x f,i kï lrkak.<br />
vi. AX ys È. uek ,shkak<br />
(03)<br />
y = 3x iólrKhg .e,fmk w.h j.=jla my; oelafõ.<br />
x<br />
y<br />
-2 -1 0 1 2<br />
i. j.=fõ ysia;eka mqrjkak.<br />
ii. j.=fjka ,nd.; yels mámdá.; hq.,a my ,shd olajkak<br />
iii. tu mámdá.; hq.,a LKavdxl ;,hla u; ,l=Kq lr y = 3x iólrKfhka oelafjk m%ia:drh w¢kak.<br />
iv. y = 3x f¾Ldjg iudka;rj (0, -3) ,laIh yryd .uka lrkakd jQ ir, f¾Ldfõ iólrKh ,shkak<br />
v. tu iólrKfha wkql%uKh yd wk;#LKavh fidhkak.<br />
(04)<br />
mqoa.,hl=f.a udisl jegqm remsh,a 2300 ls. jd¾Islj th remsh,a 3000 la ne.ska jeäfõ.<br />
i. uq,a jir y;frys udisl jegqmaj, w.hka ,shd olajkak.<br />
ii. n jk jif¾ udisl jegqm .Kkh lsÍu i|yd fmdÿ iQ;%hla f.dvk.kak.<br />
iii. by; iq;%h weiqfrka Tyqf.a fiajd ld,h jir 5 la jk úg udisl jegqfma jákdlu fidhkak.<br />
iv. Tyq remsh,a 44 000 l jegqmla ,nkafka wdrïNfha isg lSfjks jif¾ o @<br />
(05)<br />
i. iq¿ lrkak.<br />
3 4<br />
(<br />
2 1<br />
)<br />
5<br />
^w&<br />
2 x 1<br />
^wd& 2 - 1 x<br />
4 5<br />
3 4 6<br />
ii. rn¾ fnda,hla 300 cm la isg iu;
11 fldgi<br />
(01)<br />
m