Topic: Regular Octagon
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How to Construct a Regular Octagon
A regular octagon is an octagon in which all eight sides are the exact same length. Constructing one, either as a mathematical exercise or as a a cut-out guide for an arts-and-crafts project can be trickier than it first appears. The secret... Read More »
Source: http://www.ehow.com/how_4683220_construct-regular-octagon.html
What are the properties of a regular octagon?
A regular octagon has 8 sides similarly to an octagon. The name regular octagon means that all angles are the same, therefore inferring that all sides are of equal length. Read More »
Source: http://wiki.answers.com/Q/What_are_the_properties_of_a_regular_oc...
What is the perimeter of a regular octagon?
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 ... Read More »
Source: http://wiki.answers.com/Q/What+is+the+perimeter+of+octagon
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Regular Octagon
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Answers to Other Common Questions
An irregular octagon has eight sides, but they aren't all of equal length
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Source: http://wiki.answers.com/Q/What_is_a_octagon_that_is_not_regular
Constructing regular polygons with a straightedge and a compass is an effective way for students to practice their skills in geometry. Besides just knowing how to do a particular construction, however, it's important to understand why the g...
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Source: http://www.ehow.com/how_10033880_make-regular-octagon-using-strai...
It is eight
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Source: http://wiki.answers.com/Q/What_is_the_order_of_rotation_of_a_regu...
360/8 = 45 degrees.
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Source: http://wiki.answers.com/Q/What_is_the_exterior_angle_on_a_regular...
20. And the fact that it is regular is irrelevant. 5 from each vertex. So 8 vertices would (you'd think) give 8*5 = 40. Except that you would then be counting each diagonal twice - once from each end. So you need to divide by 2. 40/2 = 20.
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Source: http://wiki.answers.com/Q/How_many_diagonals_in_a_regular_octagon
135o
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Source: http://wiki.answers.com/Q/Whasts+the+measure+of+each+interior+ang...
