Perimeter of a regular n-sided polygon of side 9 cm is 54 cm. Find the value of n.

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Solution

The correct option is A 6
Given,
Length of side = 9 cm
Perimeter = 54 cm
We know, perimeter of a regular n-sided polygon is given by 'n x side'.
$⟹ 54 = n \times 9$
$∴ n = \frac{54}{9} = 6$

Therefore, the given polygon has 6 sides.

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