- PRACTICE EXERCISES A. Direction. Fill in the truth table for the following statements below 1. An acute angle measures exactly 90° Statement 11 then Converse Inverse Contrapositive True or False? 2. A quadrilateral is a trapezoid Statement It then Converse Inverse Contrapositive True or False? 3. An isosceles trapezoid has two congruent legs Statement - then Converse Inverse Contrapositive True or False?