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Question
What is the perimeter of a regular pentagon of side 15 cm ?
What is the perimeter of a regular pentagon of side 15 cm ?
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Solution
The correct option is C 60 cm
A pentagon has five sides, so the perimeter of the regular pentagon will be five times the length of one side 'a'
Here 'a' = 15 cm
So, perimeter = 5a = 5×15 = 75 cm
A pentagon has five sides, so the perimeter of the regular pentagon will be five times the length of one side 'a'
Here 'a' = 15 cm
So, perimeter = 5a = 5×15 = 75 cm
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