solids

Kw;Nrhjid juk; :- 10 fzpjk;

rJuKfpapd; fdtsT Q1:- cUtpYs;s rJuKfpapd; fdtsitf; fhz;f? a = 9cm rJuKfpapd; fdtsT = a3 =9×9×9 = 729cm3 Q2:- 512cm3 fdtsTs;s rJuKfpapd; tpspk;gpd; xd;wpd; ePsj;ij fhz;f? rJuKfpapd; fdtsT = a3 512cm3 = a3 83 = a3 / a = 8 cm

Q3:- 343cm3 fdtsTs;s rJuKfpapd; mbg;gug;gsT 49cm2 vdpd; mjd; cauj;ij fhz;f? V= 343cm3 a2 = 49 cm h = ? rJuKfpapd; fdtsT = a2 × h 343cm3 = 49cm2 × h cm = h / h = 7cm Q1:- cUtpYs;s fdTUtpd; fdtsitf; fhz;f? ePsk; = 4m , mfyk; 18m, cauk; = 5m fdTUtpd; fdtsT= eP × m × c = 4 × 18 × 5 = 360 m3

Q2:- fdTU xd;wpd; mbapd; gug;gsT 1300cm2MFk;. mjd; fdtsT 65000cm3 vdpd; mjd; cauj;ijf; fhz;f? fdTUtpd; fdtsT = mbapd; gug;gsT × cauk; 65000cm3 = 1300cm2 × cauk; cm = cauk; / cauk; = 50cm cUisapd; fdtsT

Q1:- jug;gl;l cUisapd; Miuiaf; fhz;f? tpl;lk; = 34m Miu = tpl;lk; 2 =m = 17m Q2:- cUtpYs;s cUisapd; fdtsitf; fhz;f? cUisapd; fdtsT = πr2h = × 8 × 8 ×15 = cm3 = 3017.14cm3 Q3:- Xu; cUis ghj;jpuj;jpd; tpl;lk; 28cm MFk;. mjpYs;s ePupd; fdtsT 6160cm3 vdpd; euP k; l;l cauj;ijf; fhz;f? cUisapd; fdtsT = πr2h 6160cm3 = × 14 × 14 ×h cm = h cm =h / h = 10cm

Q1:- cUtpYs;s Kf;Nfhz mupaj;jpd; fdtsitf; fhz;f? mupaj;jpd; fdtsT = F.nt.g× cauk; = × 4 × 3 × 11 = cm3 = 66cm3 Q2:- jug;gl;l Kf;Nfhz mupaj;jpd; fdtsitf; fhz;f? mupaj;jpd; fdtsT = F.nt.g× cauk; = × 4 × 6 × 12 = cm3 = 144cm3