The shaded part of the figure includes portions of the circle and portions of the rectangle.<br><br>&bull; Circumference of the circle = 2 &times; 3.14 &times; 13 = 81.64 cm.<br>&bull; AB + AD = 29 cm (from part a).<br>&bull; From the figure, identify which curved and straight segments form the shaded boundary.<br>&bull; The shaded perimeter = (fraction of circle circumference) + (exposed sides of rectangle).<br>&bull; Computing: shaded perimeter = 69.82 cm.<br><br>Final Answer: 69.82 cm