<prompt> Mistari l na m ni sambamba na pointi A, B, na D ni colinear. Je, thamani ya x ni nini?asyukubwa wa kitengo inchi 1.1;chora0,0--4,0,Mishale;chora0,1--4,1,Mishale;chora3,2--1,-1,Mishale;nukta 0.3,0;lebom,0.3,0,N;nukta 0.3,1;lebol,0.3,1,N;nukta 3.7,0;nukta 3.7,1;leboC,3.7,1,N;nukta 1.2,-0.7;nukta 2.8,1.7;leboA,2.8,1.7,NW;nukta 2.34,1;leboB,2.34,1,NW;lebo5x-8circ,2.34,1,SW;nukta 1.66,0;leboD,1.66,0,NW;lebo143circ,1.66,0,SE;asy  <response>: Pembe iliyo alama 143circ na pembe CBD ni pembe zinazolingana na kwa hivyo zina vipimo sawa. Inafuata kwamba 143circ na 5x-8circ jumla ya digrii 180. Kutatua 1435x-8180, tumepata x9. 