English, 18.07.2019 20:30, waves2114

"a polygon is a pentagon if and only if it has five sides."if this statement is true, then which of the following statements must also be true? a. a polygon is not a pentagon if and only if it does not have five sides. b. a polygon is not a pentagon if and only if it has five sides. c. a polygon is a pentagon if and only if it does not have five sides. d. a polygon does not have five sides if and only if it is a pentagon.

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"a polygon is a pentagon if and only if it has five sides."if this statement is true, then which of...