# Diagonals of a Heptagon

Geometry Level pending

Let the length of the longest diagonal of a regular unit heptagon be $$a$$ and the length of the shortest diagonal be $$b$$. Find the value of $$100(a-b)$$ rounded to the nearest integer.

You may use a calculator that can perform standard trig functions ($$\sin$$, $$\cos$$, and $$\tan$$).

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