Question: Find the interior angle sum of a heptagon.

Answer: 900

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Question: Find the interior angle sum of a hexagon.

Answer: 720

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Question: Find the interior angle sum of a 22-gon

Answer: 3600

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Question: Find the interior angle sum of a 36-gon.

Answer: 6120

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Question: Find the interior angle sum of a 26-gon.

Answer: 4320

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Question: Find the interior angle sum of an undecagon.

Answer: 1620

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Question: Find the interior angle sum of a dodecagon.

Answer: 1800

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Question: Find the interior angle sum of a 30-gon.

Answer: 5040

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Question: Find one interior angle of a regular 32-gon.

Answer: 168.75

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Question: Find one interior angle of a regular nonagon.

Answer: 140

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Question: Find one interior angle of a regular hexagon.

Answer: 120

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Question: Find one interior angle of a regular 38-gon.

Answer: 170.53

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Question: Find one interior angle of a regular 42-gon.

Answer: 171.43

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