A rope of length 20 cm is able to cover only 13 boundry of the given figure. What is the perimeter of the given figure?
A
40 cm.
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B
50 cm.
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C
60 cm.
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D
70 cm.
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Solution
The correct option is C 60 cm. Length of the rope = 20 cm
The rope could enclose only 13 of the boundary of the figure.
So, the perimeter of the given figure = 3 x 20 cm = 60 cm.