,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf120

5. jpz;k cNyhf mupankhd;wpd; FWf;F ntl;L Kfk; xU nrt;tfkhFk;.

nrt;tf Kfj;jpd; ePsk; 30 cm ck; mjd; Rw;wsT 1m ck; MFk;.

(i) nrt;tf tbtf; FWf;F ntl;bd; mfyj;ijf; fhz;f.

(ii) FWf;F ntl;bd; gug;gsitf; fhz;f.

(iii) mupaj;jpd; ePsk; 50 cm Mapd;> mupaj;jpd; fdtsitf; fhz;f.

(iv) mupak; nra;ag;gl;Ls;s cNyhfj;jpd; 1 cm3 ,d; jpzpT 20 g

Mapd; mupaj;jpd; jpzpit

(a) fpuhkpy; (b) fpNyhfpuhkpy; fhz;f.

6. rJu tbtf; FWf;F ntl;ilAila xU nrt;tupaj;jpd; ePsk; 15 cm

ck; fdtsT 540 cm3 ck; MFk;.

(i) rJu tbtf; FWf;F ntl;bd; gug;gsitf; fhz;f.

(ii) rJu tbt Kfj;jpd; xU gf;f ePsj;ijf; fhz;f.

7. nrq;Nfhz Kf;Nfhzp tbtf; FWf;F ntl;L Kfj;ijAila mupa

tbtpyhd xU jpz;k cUtk; fPNo fhl;lg;gl;Ls;sJ.

(i) nrq;Nfhz Kf;Nfhzp tbtf; FWf;F ntl;bd; gug;gsitf; fhz;f.

(ii) mupaj;jpd; fdtsitf; fhz;f.

8. nrq;Nfhz Kf;Nfhzp tbtpyhd Xu; cNyhfj; jfl;bd; jbg;G 0.3 cm

MFk;. nrq;Nfhz Kf;Nfhzpapd; nrk;gf ;fk ; 13 cm ck;

nrq;Nfhzj;ij cUthf;Fk; ,U gf;fq;fspy; xd;wpd; ePsk; 12 cm

ck; MFk;.

(i) gUkl;lhd xU tupg;glj;ij tiue;J Nkw;Fwpj;j juTfisf; Fwpf;f.

(ii) nrq;Nfhzj;ij cUthf;Fk; ,U gf;fq;fspy; vQ;rpa gf;fj;jpd;

ePsj;ijf; fhz;f.

(iii) nrq;Nfhz Kf;Nfhzp tbt Kfj;jpd; gug;gsitf; fhz;f.

(iv) Nkw;Fwpj;j cNyhfj; jfl;bd; fdtsitf; fhz;f.

12 cm

10 cm

8 cm

,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf,ytr tpepNahfj;jpw;fhf 121

9. nrq;Nfhz Kf;Nfhzp tbtf; FWf;F ntl;ilAila rkdhd 20

fz;zhb mupaq;fs; xU tpQ;Qhd $lj;jpy; cs;sd. Xu; mupaj;jpd;

mstPLfs; gpd;tUkhwhFk;.

Nkw;Fwpj;j vy;yh mupaq;fisAk; nfhz;L nry;yf;$bajhd Fiwe;j

ePs mfyq;fisf; nfhz;l xU fdTUitr; nra;a Ntz;bAs;sJ.

,t;thW nra;af;$ba fdTU tbtnkhd;Wf;Fg; nghUj;jkhd ePs

mfyq;fisf; nfhz;l ngWkhdr; Nrhb 2 I vOJf.

10. rkgf;f Kf;Nfhzp tbtf; FWf;F ntl;ilAila nrt;tupa tbtg;

nghUnshd;wpd; FWf;F ntl;Lg; gug;gsT 42.5 cm2 ck; cauk;

15.2 cm ck; MFk;. Kf;Nfhzp mupaj;jpd; fdtsitf; fhz;f.

4 cm

5 cm

3 cm><

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