Mathematics, 24.07.2019 09:00 mpzpowell7506
"a nonagon is a nine-sided polygon." if this statement is true, then which of the following statements must also be true? a. a polygon is not a nonagon if and only if it has nine sides. b. a polygon is a nonagon if and only if it does not has nine sides. c. a polygon has 9 sides if and only if it is not a nonogon. d. a polygon is a nonagon if and only if it has nine sides.
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"a nonagon is a nine-sided polygon." if this statement is true, then which of the following statemen...
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