if one of the interior angles of a regular polygon is $$15\over 16$$ times of one of the interior angles of a regular decagon, then the number of diagonal of the polygon is.
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Q:
if one of the interior angles of a regular polygon is $$15\over 16$$ times of one of the interior angles of a regular decagon, then the number of diagonal of the polygon is.
- 120true
- 214false
- 32false
- 435false
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