Perimeter and Area
- The perimeter of a closed figure is the distance covered along the boundary of the figure when we go around it once. Its units are cm, m etc.
Example: Let us find the perimeter of the following figure.
Perimeter of ABCDEFGHIJA = AB + BC + CD + DE + EF + FG + GH + HI + IJ + JA
= (5 + 6 + 6 + 5 + 7 + 9 + 7 + 4 + 4 + 25) cm
= 78 cm
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