Question

each side of a regular polygon is 2.5 cm in length. the perimeter of the polygon is 12.5 cm. then the number of sides of the polygon is *​

Answer 1

Step-by-step explanation:

length each side of a regular polygon =2.5cm

perimeter of polygon =15cm

no. of sides of the regular polygon =

sidelength

perimeter

=

1.5

15

=6

∴ it is a 6 sided regular polygon

⇒ regular hexagon

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Answer 2

Answer:

Step-by-step explanation:

one side = 2.5 cm

perimeter = 12.5 cm

perimeter means sum of sides

but this is a regular polynomial

∴ all sides are equal to one another

to find number of sides = perimeter/one side

                                       =(12.5/2.5)

                                       = 5

∴this is a regular pentagon

hope it's clear