<prompt> Katika mchoro, angle PQR 90circ. Je, thamani ya x ni nini?asyukubwa 100;chora0,1--0,0--1,0;chora0,0--.9,.47;chora0,.1--.1,.1--.1,0;leboP,0,1,N; leboQ,0,0,SW; leboR,1,0,E; leboS,.9,.47,NE;lebo2xcirc,.15,.2; leboxcirc,.32,-.02,N;asy  <response>: Kwa kuwa angle PQR90circ, kisha 2xcircxcirc90circ au 3x90 au x30. 