Question

The perimeter of a regular pentagon is 100 cm. How long is its each side?​

Answer 1

A Pentagon has 5 sides...

Given: Perimeter of the Pentagon = 100cm

Let's assume each side of the Pentagon to be "x"

So, the equation will be:-

x + x + x + x + x = 100cm

5x = 100

x = 100/5 = 20

Length of each side = 20 cm

Answer 2

Given:

perimeter of regular Pentagon = 100cm

To Find:

measure of each side of the Pentagon

Solution:

regular Pentagon has 5 sides of equal length

therefore,

perimeter of regular Pentagon = 5 × side

$⟹$100 = 5 × side

$⟹$side = 100/5

$⟹$side = 20cm

Hence:

measure of each side of regular Pentagon is $\tt\underline\red{20cm}$