Classification of Polygons on the Basis of Number of Sides / Vertices
The perimeter...
Question
The perimeter of a regular pentagon is 100 cm. How long is its each side?
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Solution
Regular Pentagon has 5 side and all are equal. Therefore, perimeter = sum of all the sides perimeter = 5 × side 100 = 5 × side side = 100 ÷ 5 side = 20cm