<prompt> Pata eneo la pembetatu ABC hapa chini.asyukubwa wa kitengoinchi 1;jozi P,Q,R;P 0,0;Q sqrt3,0;R 0,1;chora P--Q--R--P,upana wa mstari0.9;choraalama ya kuliaQ,P,R,3;leboA,P,S;leboB,Q,S;leboC,R,N;lebo6,R2,W;lebo30circ,1.25,0,N;asy  <response>: Kwa kuwa ABC ni pembetatu 30-60-90, tuna AB ACsqrt3 6sqrt3, na ABC fracABAC 2 frac66sqrt32 frac36sqrt32 18sqrt3. 