<prompt> Katika mchoro, ni kipimo gani cha angle ACB katika digrii? asyukubwa 250;kuchora-60,0--0,0;kuchora0,0--64.3,76.6--166,0--mzunguko;leboA,64.3,76.6,N;lebo93circ,64.3,73,S;lebo130circ,0,0,NW;leboB,0,0,S;leboD,-60,0,S;leboC,166,0,S;asy  <response>: Kwa kuwa angle ABC angle ABD 180circ kwa maneno mengine, angle ABC na angle ABD ni za ziada na angle ABD 130circ, kisha angle ABC 50circ. asyukubwa 250;kuchora-60,0--0,0;kuchora0,0--64.3,76.6--166,0--mzunguko;leboA,64.3,76.6,N;lebo93circ,64.3,73,S;lebo130circ,0,0,NW;leboB,0,0,S;leboD,-60,0,S;leboC,166,0,S;lebo50circ,3.5,0,NE;asy Kwa kuwa jumla ya pembe katika pembetatu ABC ni 180circ na tunajua pembe mbili 93circ na 50circ ambazo zinaongeza 143circ, kisha angle ACB 180circ - 143circ 37circ. 