Perimeter of the shaded portion in Fig. 6.9 is
AB + _ + _ + _ + _ + _ + _ + HA
The perimeter of shaded region is sum of all sides of shaded region.
AB + BM + MD + DE + EN + NG + GH + HA
9
Perimeter of the shaded portion in Fig. 6.9 is
AB + _ + _ + _ + _ + _ + _ + HA
The perimeter of shaded region is sum of all sides of shaded region.
AB + BM + MD + DE + EN + NG + GH + HA