හෙල්මට් ප්‍රමිතිය ළඟම එයි

h;=re meÈ fy,auÜ i|yd m%ñ;shla fï jkúg ilia lr we;s nj;a tu m%ñ;shg wkqj ksmojQ fy,auÜ muKla wf,ú lsÍu yd me,£u isÿ l<hq;= nj m%jdyk wud;HdxYfha ud¾. wdrlaIl iNdfõ f,alï p;=r WuÕs,sh uy;d mjihs'

tia't,a'tia' m%ñ;shg wkql+,j fy,auÜ ksmoúh hq;= wdldrh fï jkúg;a mdßfNda.sl wdrlaIl wêldßh úiska ilia lr we;s nj o fyf;u lSh' wod< .eiÜ m;%h ksl=;a lsÍfuka  miq Bg wod< fkdjk fy,auÜ wf,úh imqrd ;ykï jk nj;a" oekg ñ,§ f.k Ndú;d lrk fy,auÜ i|yd muKla hï iyk ld,hla ,ndfokq we;'