Each interior angle of a regular n-sided polygon

This type of question, asked 2 times: 18 Sep 2025 S2, 24 Sep 2025 S1. All 2 questions below, oldest first.

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Question 1
18 Sep 2025 S2
68 $What is the measure of each interior angle in a regular eight-sided polygon?$
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Question 2
24 Sep 2025 S1
57 $What is the ratio of the interior angle of a regular hexagon to the interior angle of a regular 12-sided polygon (dodecagon)?$
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