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Regular Octagon

Regular Octagon Made By Cutting Equal Triangles Out From The Corners Of A Square

Problem
A regular octagon is made by cutting equal isosceles right triangles out from the corners of a square of sides 16 cm. What is the length of the sides of the octagon?

A.   6.627 cm C.   6.762 cm
B.   6.267 cm D.   6.276 cm

 

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