<prompt> Tafuta eneo la pembetatu yenye vipeo 3,-5, -2,0, na 1,-6.  <response>: Acha A 3,-5, B -2,0, na C 1,-6. Acha mathbfv overrightarrowCA startpmatrix 3 - 1 -5 - -6 mwishopmatrix anzapmatrix 2 1 mwishopmatrix na mathbfw overrightarrowCB anzapmatrix -2 - 1 0 - -6 mwishopmatrix anzapmatrix -3 6 mwishopmatrix. Eneo la pembetatu ABC ni nusu eneo la sambamba lililobainishwa na mathbfv na mathbfw.asyukubwa wa kitengo cm 0.6;jozi A, B, C;A 3,-5;B -2,0;C 1,-6;choraA--B;choraC--A,Arrow6;choraC--B,Arrow6;choraA--A B - C--B,iliyokatika;lebomathbfv, A C2, SE;lebomathbfw, B C2, SW;nukta A, A, E;nuktaB, B, W;nuktaC, C, S;asyEneo la sambamba lililobainishwa na mathbfv na mathbfw ni26 - -31 15,kwa hivyo eneo la pembetatu ABC ni frac152. 