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Question

The perimeter of a regular octagon, with each side measuring 15 cm will be:


A

(15 x 8) cm

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B

15 cm + 15 cm + 15 cm +.......... 8 times

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C

120 cm

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D

All the above

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Solution

The correct option is C

120 cm


Given, length of the side of the octagon = 15 cm
Perimeter = sum of all sides
Since it is a regular octagon, so the figure will have 8 sides and all sides will be equal.
Perimeter = 8 x length of a side
= 8 x 15 cm
= 120 cm


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