<prompt> Katika mchoro, PT ni sambamba na QR. Je, kipimo cha angle PQR katika digrii ni kipi?asychora0,0--10,0,nyeusiupana wa mstari1;chora0,0--10,0,MidArrow;chora10,0--20,0,blacklineupana1;chora0,0---7,10--7,10--10,0,nyeusiupana wa mstari1;chora-5,10--7,10,MidArrow;leboxcirc,-6,10,SE;lebo2xcirc,7,10,SW;lebo128circ,10,0,NE;leboP,-7,10,N;leboT,7,10,N;leboR,10,0,S;leboQ,0,0,S;asy  <response>: Kwa kuwa PT na RQ ni sambamba, basi 2xcirc128circ, hivyo x64, hivyo angle TPQ64circ.asychora0,0--10,0,nyeusiupana wa mstari1;chora0,0--10,0,MidArrow;chora10,0--20,0,blacklineupana1;chora0,0---7,10--7,10--10,0,nyeusiupana wa mstari1;chora-5,10--7,10,MidArrow;leboxcirc,-6,10,SE;lebo2xcirc,7,10,SW;lebo128circ,10,0,NE;leboP,-7,10,N;leboT,7,10,N;leboR,10,0,S;leboQ,0,0,S;asyKwa kuwa PT na QR ni sambamba, basi angle TPQ na angle PQR ni za ziada. Kwa hivyo, angle PQR 64circ 180circ, hivyo angle PQR 116 text digrii. 