59. P, = (2, 1); P, = (-4, 1); P, = (-4, –3) 60. P; = (-1,4); P = (6,2); P, = (4, -5) 61. P, = (-2, –1); P, = (0,7); P3 = (3, 2) 62. P = (7,2); P = (-4,0); P3 = (4,6) %3D %3D

In Problems 59–62, find the length of each side of the triangle
determined by the three points P1 , P2 , and P3. State whether
the triangle is an isosceles triangle, a right triangle, neither of these,
or both. (An isosceles triangle is one in which at least two of the
sides are of equal length.)