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Let \(S = \{1, 2, 3, 4, \ldots, n\}\) be the set of positive integers from 1 up and including \(n\).

Find \(n\) such that \(S\) consists of 2016 numbers with ...

\( \Delta ABC \) is an isosceles triangle with \( AC = BC \) and \( AB = 2 \). \( D \) is the midpoint of \( AB \). The ratio of the radii of it's inscribed circle (radius is ...

For some value \(d,\) an isosceles triangle has at least one angle of \((2d-40)\) degrees and at least one angle of \((d+20)\) degrees.

For each of such triangles, let ...

The function \( R(n) \) denotes the maximum number of areas which can be formed within the circle when all chords between \( n \) distinct points on a circle are drawn.

In ...

He states: "I only own landscape oriented puzzles in which the number of border pieces is exactly \( 8\% \) of the ...

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