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Mathematics

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

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Answer

Given:

Perimeter of regular pentagon = 100 cm

Perimeter of regular pentagon = 5 × side

⇒ 100 = 5 × side

⇒ side = 1005\dfrac{100}{5}

⇒ side = 20 cm

Hence, each side of the regular pentagon is 20 cm.

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