1.   Write another form of the following statement. If a closed figure has exactly 3 vertices, then it is a triangle.
    A. A triangle is a closed figure if it has exactly 3 vertices. B. A closed figure is a triangle if it has exactly 3 vertices.
    C. If a figure is closed, then it is a triangle with exactly 3 vertices. D. If a triangle has exactly 3 vertices, then it is a closed figure.
    Hint

  2.   In the statement ''If it is sunny Thursday, we will go to a ball game,'' the phrase ''we will go to a ball game'' is the ________
    A. conditional statement. B. conclusion.
    C. converse. D. hypothesis.
    Hint

  3.   In the following statement, ''If the sides of a quadrilateral are equal, then it is a square'', the hypothesis is:
    A. ''Then it is a square''
    B. ''The sides of a quadrilateral are equal''
    C. ''If the sides of a quadrilateral are equal''
    D. ''It is a square''
    Hint

  4.   Write a converse for the statement, ''If a figure has five angles, then it is a pentagon.''
    A. ''A five angled figure is a pentagon''
    B. ''Pentagons have five angles and five sides''
    C. ''If a figure is a pentagon, then it has five angles''
    D. ''A pentagon is a figure with five angles''
    Hint

  5.   What is the inverse of the following statement, ''If a figure is closed, then it is a polygon'' ?
    A. ''If a figure is closed, then it is not a polygon''
    B. ''If a figure is not closed, then it is not a polygon''
    C. ''If a figure is not closed, then it is a polygon''
    D. ''If a figure is not a polygon, then it is not closed''
    Hint



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