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Question

The perimeter of the figure ABCDEFGHIJ is

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Solution

Perimeter = Sum of all sides
So, AJ + JI + IH + HG + GF + FE + ED + CD + BC + AB
= (AJ + IH + GF + BC) + 3 + 5 + 2 + 20 + 4 + 6
= DE + 40 [AJ+IH+GF+BC=DE]
= 20 + 40 = 60 cm

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