lew 1. The point of concurrency of the angle bisectors in a triangle is the in center cle / 81 2. The point of concurrency of the altitudes in a triangle is the or thocenter 3. The point of concurrency of the medians in a triangle is the centroid 4. Order the sides from least to greatest in ALMN. Least LN MIA 1 737 630 437 IN) 180-74-43 = 630 5. Order the angles from least to greatest in AABC. Least 2 R R L-S 11 S 6. AB is the perpendicular bisector of CD and CD is the perpendicular bisector of AB. If AC = 3x + 8 and AD = 8x - 3, find x. C 137. UR is a median of AVUT. Find RV if IT= x - 3 and RT=x-6-103) X -3 + x -6= 180 2X 19 : 180 497 +9 U 8X _ 189 X - 9415 8. List all of the angles that have a measure greater than 25. 4 /2 3 /6 5 9. ZP is an angle bisector of AYZX. mzi =16x - 2 and m/2 = 15x. Find m/XZY. Xox - 2 - 15 x M 21 = 16x -2 - M /2 X 10. In AMIV, Z is the centroid and IR = 24. Find the length of IV. IV - 48 N Y 180- 27 24 RIn problems 11 - 13, X(1, 3), Y(-2, 5), Z(0, 0) are the vertices of AXYZ. 11. What are the coordinates of Q if ZQ is a median of AXYZ? Q (1+ ( -2) 3+5 2 12 12. What is the slope of XY? 3 13. What is the slope of the perpendicular bisector of XY ? 3