<prompt> Kuna jumla ya miraba 70 ya saizi tatu ambazo wima ni pointi kwenye gridi hii ya pointi ya mstatili 3mara n. Thamani ya n ni nini?asysaizi ya kitengo inchi 0.4;nukta0,0,linewidth9bp;nukta1,0,upana wa mstari9bp;nukta2,0,linewidth9bp;nukta0,1,linewidth9bp;nukta0,2,linewidth9bp;nukta1,1,linewidth9bp;nukta2,1,linewidth9bp;nukta1,2,linewidth9bp;nukta2,2,linewidth9bp;kujaza2.95,-0.05--3.05,-0.05--3.05,0.05--2.95,0.05--mzunguko,nyeusi;kujaza2.45,-0.05--2.55,-0.05--2.55,0.05--2.45,0.05--mzunguko,nyeusi;kujaza3.45,-0.05--3.55,-0.05--3.55,0.05--3.45,0.05--mzunguko,nyeusi;kujaza2.95,0.95--3.05,0.95--3.05,1.05--2.95,1.05--mzunguko,nyeusi;kujaza2.45,0.95--2.55,0.95--2.55,1.05--2.45,1.05--mzunguko,nyeusi;kujaza3.45,0.95--3.55,0.95--3.55,1.05--3.45,1.05--mzunguko,nyeusi;kujaza2.95,1.95--3.05,1.95--3.05,2.05--2.95,2.05--mzunguko,nyeusi;kujaza2.45,1.95--2.55,1.95--2.55,2.05--2.45,2.05--mzunguko,nyeusi;kujaza3.45,1.95--3.55,1.95--3.55,2.05--3.45,2.05--mzunguko,nyeusi;nukta4,0,linewidth9bp;nukta5,0,linewidth9bp;nukta4,1,upana wa mstari9bp;nukta5,1,linewidth9bp;nukta4,2,linewidth9bp;nukta5,2,linewidth9bp;asy  <response>: Idadi ya miraba 1mara1 katika mchoro ni 2n-1, idadi ya 2mara 2 mraba ni n-2, na idadi ya sqrt2 times sqrt 2 mraba pia ni n-2 angalia mchoro. Kutatua 2n-1n-2n-270 tumepata n19.asyukubwa wa kitengo 5 mm;defaultpenlinewidth.7ptfontsize8pt;dotfactor4;ndani i,j;kwai0;i10;ii1kwaj0;j2;jj1nukta i,j;chora0,0--1,0--1,1--0,1--mzunguko;chora3,0--5,0--5,2--3,2--mzunguko;chora7,1--8,2--9,1--8,0--mzunguko; asy 