<prompt> Tafuta x.asyukubwa wa kitengo cm 0.7;jozi A, B, C, D, O;O 0,0;A 4dir160;B 5 dir 160 180;C 8dir20;D 4 dir 20 180;choraA--B;kuchoraC--D;kuchoraA--C;choraB--D;lebo4, A O2, SW;lebo10, C O2, SE;lebo4, D O2, NW;lebo5, B O2, NE;lebo8, B D2, S;lebox, A C2, N;leboA, A, W;leboB, B, E;leboC, C, E;leboD, D, W;leboO, O, N;asy  <response>: Hebu theta angle AOC angle BOD. Kisha kwa Sheria ya Cosines kwenye pembetatu BOD,cos theta frac42 52 - 822 cdot 4 cdot 5 -frac2340.Kisha kwa Sheria ya Cosines kwenye pembetatu AOC,anzaalignx2 42 102 - 2 cdoti 4 cdot 10 cos theta 42 102 - 2 cdot 4 cdot 10 cdot kushoto -frac2340 kulia 162,endalignhivyo x sqrt162 9 sqrt2. 