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If you know a side length, s, the perimeter is 8 s
If you know the circum radius, r, (the distance from the center to a vertex) , the perimeter is
p = 8 r sqrt(2 - sqrt(2)) (approx 6.12 r)
If you know the apothem, a, (the distance from the center to the middle of a side),
p = 16 a sqrt(2-sqrt(2))/sqrt(sqrt(2)+2) (approx 6.63 a)
What else can I help you with?
What is the perimeter of a octagon with a side measuring 18 inches?
If the octagon is not regular, the perimeter could have any value greater than 18 inches. If it is regular, then the perimeter is 8*18 = 144 inches.
What is the perimeter of a regular octagon with a side length of a?
' 8a ' is.
Area of a regular octagon with a perimeter of 72?
About 391.1 units2
Is the perimeter of an octagon 64?
The perimeter of an octagon is 64 only if it is a regular octagon and the length of one side is 8. An irregular octagon may or may not have a perimeter of 64 (whatever units of measure you choose to use) depending on what the lengths of the individual sides are.
How do you find the sides of an octagon with perimeter?
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.
How do you find the perimeter of a regular octagon?
The perimeter of a octagon is the sum of all its sides.
Octagon O is regular One of its sides has a length of 7 What is the perimeter of Octagon O?
The perimeter is 56.
What is the perimeter of an octagon in millimeters?
If it's a regular octagon, the perimeter is 8 times the length of one side.
A regular octagon has a perimeter of 40cm what is the length of one side?
If a regular octagon has a perimeter of 40cm, then each side is 5 cm.
A regular octagon has a side length of 9 mm. What is the perimeter?
The perimeter is 72.
What is the perimeter of a octagon with a side measuring 18 inches?
If the octagon is not regular, the perimeter could have any value greater than 18 inches. If it is regular, then the perimeter is 8*18 = 144 inches.
What is the perimeter of a regular octagon with a side length of a?
' 8a ' is.
What is the perimeter of a regular octagon with70 mile meters sides?
I'm not sure what mile metres are, but a regular octagon with a side of 70 whatevers will have a perimeter of 560 whatevers.
What is the perimeter of a regular octagon with sides of 7cm?
Perimeter = 8*7 = 56 cm
What is the perimeter of a regular octagon with a 15cm sides?
Perimeter = 8*15 = 120 cm
What is the perimeter of a regular octagon with 5-cm sides?
pentagon
Area of a regular octagon with a perimeter of 72?
About 391.1 units2
