The perimeter of any figure is the sum of lengths of all its sides.
AB+BC+CD+DE+EF+FG+GH+HI+IJ+JK+KL+LM+MN+NO+OP+PQ+QR+RS+SA
AB+BC+CD+DE+EF+FG+GH+HI+KL+LM+MN+NO+OP+PQ+QR+RS+SA
The perimeter of a figure is the sum of lengths of all its sides.
In the figure, AB||CD||EF and GH||KL. Find ∠HKL.