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32cm (8 sides x 4cm = 32cm)

Q: What is perimeter of an octagon with sides that measure 4 cm each?

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8 (measure of each side) x 8 (total sides of an octagon) = 64cm

perimeter = sum of sides. Octagon has eight sides. The sides in this example are each 16 inches. Eight times sixteen is one hundred and forty four. JHC!

You say these things to yourself: -- "The perimeter is the distance all the way around the octagon." -- "The octagon has eight sides." -- "So, if it's a 'regular' octagon, then all the sides are the same length, and each side must be 1/8 of the perimeter." -- If it's not a 'regular' octagon, then it has some longer sides and some shorter ones, and the perimeter doesn't help me find the lengths of the sides.

The perimeter of an octagon is the distance around its outside, so it is the sum of the lengths of each of its eight sides.

Octagon: 8 sides; each side 12 cm; 12 x 8 = 96 cm

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8 (measure of each side) x 8 (total sides of an octagon) = 64cm

It is: 8*2.5 = 20 cm

perimeter = sum of sides. Octagon has eight sides. The sides in this example are each 16 inches. Eight times sixteen is one hundred and forty four. JHC!

You say these things to yourself: -- "The perimeter is the distance all the way around the octagon." -- "The octagon has eight sides." -- "So, if it's a 'regular' octagon, then all the sides are the same length, and each side must be 1/8 of the perimeter." -- If it's not a 'regular' octagon, then it has some longer sides and some shorter ones, and the perimeter doesn't help me find the lengths of the sides.

The perimeter of an octagon is the distance around its outside, so it is the sum of the lengths of each of its eight sides.

measure each edge and times it by eight.

Octagon: 8 sides; each side 12 cm; 12 x 8 = 96 cm

if there 8 sides on an octagon then 8 times 4 should give you your answer which is ....... 32

By using the definition of "perimeter": you need to add the lengths of all eight sides. If it is a REGULAR octagon, you multiply the length of any side by 8, since all sides have the same length.

A regular octagon has a sum of 1080 degrees for all angles, 1080 degrees divided by 8 angles is 135 degrees per angle. The perimeter is 200 centimeters divided by 8 sides is 25 centimeters.

A plane shape is regular if each of its sides is of the same length AND each of its angles is of the same measure. An octagon can be regular or irregular.

Octagon has 8 sides. Each side has the value = 4cm so to find the perimeter of the figure we need to add all the values. But here all sides are equal so instead of adding all the the values we can multiply. So perimeter = 8*4=32cm. Hope it was useful!!!