Question 14 (5 points) Lines s, t, and u are perpendicular bisectors of the sides of AFGHand meet at J. If JG = 2x + 2; JH = 2y - 2, JF = 10 and HI = 2z - 4, find x, y, and z. 10 ( x=4,y= 6,2=7 (x = 6, y= 4, z=3 x = 6, y =4,2=7 ( x = 3, y = 7,2=3 Question 15 (5 points) The three angle bisectors of a triangle intersect at the O a) circumcenter ( b) incenter c) centroid O d) orthocenterQuestion 11 (5 points) Saved In the figure below, AD = 5 and BC = 4.5. Compare m_ABD and m/BDC. B C A D MLABD MLBDC O mZABD = MZBDCQuestion 12 (5 points) If myCAD = 120, CD =9, and BC = 9, find m/CAB. A B C D J O O 240 OO 78 Question 13 (5 points) The three medians of a triangle intersect at the a) circumcenter ( b) incenter ( c) centroid ( d) orthocenter