Another Octagonal Area Problem

This is a fairly straight-forward problem from the 1999 AIME problems.

“The two squares shown share the same center O and have sides of length 1. The length of AB is 43/99 and the area of octagon ABCDEFGH is m/n where m and n are relatively prime positive integers. Find m + n.”

Answer

See the Another Octagonal Area Problem for solutions.

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