<prompt> Tafuta idadi ya digrii katika kipimo cha pembe x.asyalama za kuagiza;ukubwa 5cm,5cm;jozi A,B,C,D,F,H;A0,0;B5,0;C9,0;D3.8,7;F2.3,7.2;H5.3,7.2;chora4.2,6.1juu..kulia5.3,7.2;chora3.6,6.1juu..kushoto2.3,7.2;chora A--B--C--D--A;chora B--D;alaman1,radius8,C,B,D,alamafremu ya vijitin0,kweli;lebo xcirc, shift1.3,0.65A;lebo 108circ, shift1.2,1B;lebo 26circ, F,W;lebo 23circ,H,E;asy  <response>: asyalama za kuagiza;ukubwa 5cm,5cm;jozi A,B,C,D,F,H;A0,0;B5,0;C9,0;D3.8,7;F2.3,7.2;H5.3,7.2;chora4.2,6.1juu..kulia5.3,7.2;chora3.6,6.1juu..kushoto2.3,7.2;chora A--B--C--D--A;chora B--D;alaman1,radius8,C,B,D,alamafremu ya vijitin0,kweli;lebo xcirc, shift1.3,0.65A;lebo 108circ, shift1.2,1B;lebo 26circ, F,W;lebo 23circ,H,E;leboA,A,S;leboB,B,S;leboC,C,S;leboD,D,N;asyKwa kuwa angle ABC ni pembe moja kwa moja, tuna angle ABD 180circ - 108circ 72circ. Kutoka pembetatu ABD, tuna 26circ 72circ x 180circ, hivyo 98circ x 180circ na x 82circ . 