What is the perimeter of a regular heptagon if the length of one of its sides is 5 cm?

42 cm

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35 cm

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28 cm

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30 cm

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Solution

The correct option is B
35 cm

Perimeter of a regular polygon = number of sides $\times$ length of each side

A heptagon has 7 sides.
A regular heptagon has 7 equal sides.
Length of each side = 5 cm

Therefore, perimeter $= (7 \times 5)$ cm
$= 35 c m$

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What is the perimeter of a regular heptagon if the length of one of its sides is 5 cm?

The correct option is B 35 cm Perimeter of a regular polygon = number of sides × length of each side A heptagon has 7 sides. A regular heptagon has 7 equal sides. Length of each side = 5 cm Therefore, perimeter =(7×5) cm =35 cm

The correct option is B
35 cm

Perimeter of a regular polygon = number of sides $\times$ length of each side

A heptagon has 7 sides.
A regular heptagon has 7 equal sides.
Length of each side = 5 cm

Therefore, perimeter $= (7 \times 5)$ cm
$= 35 c m$