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B
23 cm
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C
18 cm
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D
25 cm
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Solution
The correct option is B 23 cm Perimeter of an irregular polygon is given by the sum of length of all the sides. ∴ Perimeter of the letter 'F' = 4 cm + 1.5 cm + 3 cm + 1 cm + 2 cm + 1 cm + 2 cm + 2.5 cm + 1 cm + 5 cm = 23 cm