Question

If the perimetre of a regular pentagon if 125cm what is its length

Answer 1

Pentagon has 5 sides.

Perimeter of regular pentagon = 5 ( Side )

•°• 5 ( Side ) = 125

Side = 125 / 5 = 25

Hence the side of regular pentagon is 25 cm.

Answer 2

P=45

no. of sides in a pentagon is 5

as it is a regular pentagon all sides are equal

thus

length of one side is 45÷5=9 cm

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