1.   Identify the hypothesis of the following if-then statement.
If Ralph does his math homework, then he will get a good grade on the quiz.
    A. Ralph may do his math homework.
    B. He will not get a good grade on the quiz.
    C. He will get a good grade on the quiz.
    D. Ralph does his math homework.
    Hint

  2.   In the figure, points A and B are on circle C and
Write the contra positive of the true conditional.

Conditional 1: If then is a right isosceles triangle.
Conditional 2: If then divides the circle into two equal halves.
   
    A. If then does not divide the circle into two equal halves.
    B. If does not divide the circle into two equal halves, then
    C. If is a right isosceles triangle, then
    D. If is not a right isosceles triangle, then
    Hint

  3.   In order to find the contrapositive of a conditional, you must first find the _____ and then find the _____ of each part.
    A. inverse, negation B. hypothesis, converse
    C. converse, inverse D. converse, negation
    Hint

  4.   Which statement is the inverse of the statement angles with the same measure are congruent?
    A. If two angles do not have the same measure, then they are not congruent.
    B. If two angles are congruent, then they have the same measure.
    C. If two angles have the same measure, then they are congruent.
    D. If two angles are not congruent, then they do not have the same measure.
    Hint

  5.   Write the contrapositive of the statement a right angle measures 90 degrees.
    A. If an angle is a right angle, then it measures 90 degrees.
    B. If an angle measures 90 degrees, then it is a right angle.
    C. If an angle is not a right angle, then its measure is not 90 degrees.
    D. If an angle does not measure 90 degrees, then it is not a right angle.
    Hint



Glencoe
The McGraw-Hill Companies