<prompt> Je, kuna digrii ngapi katika kipimo cha pembe P?asyukubwa 5cm,5cm;jozi A,B,C,D,E;A0,1.1;B4.5,0;C6.4,1.7;D4.2,5;E0.5,4.2;chora A--B--C--D--E--A,upana wa mstari1;leboP,A,SW;lebo128circ,shift0,0.6B;lebo92circ,C,W;lebo113circ,shift-0.3,-0.5D;lebo111circ,shift0.5,-0.3E;choraalamaB,A,E,bluu;asy  <response>: Jumla ya vipimo vya pembe za pentagoni ni 1805-2 digrii 540, kwa hivyo ni lazima tuwe na angle P 111circ 113circ 92circ 128circ 540circ. Kurahisisha mlingano huu kunatoa angle P 444circ 540circ, ambayo ina maana angle P 96circ. 