Sub-topic 1
2018 · National One-Eighth
Free
Identifying the polygon whose interior angles sum to $5\pi$ radians
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Sub-topic 2
2021 · National Preliminary
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Converse statements about equilateral and regular polygons (true/false)
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Sub-topic 3
2013 · National Preliminary
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The exterior angles of any polygon sum to $360^\circ$ (true/false)
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Sub-topic 4
2013 · National Quarterfinal
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Interior angle of a regular polygon of $15$ sides
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Sub-topic 5
2013 · National Quarterfinal
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Sum of the interior angles of a polygon of $12$ sides
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Sub-topic 6
2013 · National Quarterfinal
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Number of sides of a polygon with interior angle sum $1620^\circ$
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Sub-topic 7
2013 · National Quarterfinal
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Polygons are classified by their number of sides (true/false)
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Sub-topic 8
2017 · National Quarterfinal
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Interior angle of a regular nonagon in radians, $\dfrac{7\pi}{9}$
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Sub-topic 9
2017 · National Quarterfinal
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Interior angle of a regular heptagon in radians, $\dfrac{5\pi}{7}$
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Sub-topic 10
2017 · National Quarterfinal
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Interior angle of a regular decagon in radians, $\dfrac{4\pi}{5}$
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Sub-topic 11
2019 · National Preliminary
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Identifying the regular polygon with interior angle $\dfrac{5\pi}{6}$ radians
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Sub-topic 12
2021 · National Preliminary
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Sum of the interior angles of a $17$-sided polygon in radians
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Sub-topic 13
2023 · National Preliminary
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Interior angle of a regular heptagon in radians using $(n-2)\pi$
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