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Last updated at March 16, 2023 by Teachoo
Example 8 Find the perimeter of a regular pentagon with each side measuring 3 cm. Given that Side of a regular pentagon is 3 cm Therefore, AB = BC = CD = DE = AE = a = 3cm Perimeter of regular polygon = 5a = 5 (3) = 15 cm ∴ Required perimeter is 15 cm