Octagon

We have a square with side 56 cm. We cut the corners to create a regular octagon. What is the side length of the octagon?

Final Answer:

x =  21.4303 cm

Step-by-step explanation:

a=56 cm  α=π/8=3.1416/80.3927 rad r=a/2=56/2=28 cm  sin α = x/2 : r  x=2 r sinα=2 28 sin0.3927=21.4303 cm



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planimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem

 
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