Question

A rectangle with length = 18 cm and breadth = 12 cm has same perimeter as that of a regular pentagon. Find the side of the pentagon.

Answer 1

Answer:

12 cm

Step-by-step explanation:

Given A rectangle with length = 18 cm and breadth = 12 cm has same perimeter as that of a regular pentagon. Find the side of the pentagon.

We know that perimeter of a rectangle = 2 (l + b)

                                                       p = 2 (18 + 12)

                                                       p = 2(30)

                                                        p = 60 cm

 We know that perimeter of a pentagon is 5 a

 So equating both (as given in question) we get

                           5 a = 60

                            a = 60 / 5

                          a = 12 cm

 Side of the pentagon is 12 cm

Answer 2

Answer:

Step-by-step explanation:

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