What is the perimeter of a regular heptagon if the length of one of its sides is $5 c m$ ?

$42$

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$35$

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$28$

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$30$

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Solution

The correct option is B
$35$

Perimeter of a regular polygon = $n u m b e r o f s i d e s \times l e n g t h o f e a c h s i d e$
A heptagon has $7$ sides.
A regular heptagon has $7$ equal sides.
Length of each side = $5$ cm
Therefore, perimeter =( $7 \times 5$ ) cm
= $35$ cm
Hence option B is correct.

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Similar questions

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The length of the side of a regular heptagon is denoted by $l$ . Express the perimeter $p$ of the heptagon in terms of $l$ .

The perimeter of a regular heptagon if the length of one of its sides is 5 cm is 35 cm.

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