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by Math Tutor » Sat Sep 22, 2018 4:27 am
Find the angle in red.
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Math Tutor
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by Guest » Wed Sep 26, 2018 8:22 am
66
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by Guest » Sun Sep 30, 2018 4:58 am
30. You can draw similar diagrams for all the regular polygons replacing 24 for 60-180/n
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