Chapter 3 Activity 1

1a. All students do not like geometry. 1b. There is not a quadrilateral for which the diagonals intersect. OR All quadrilaterals have diagonals that intersect. 1c. Some right triangles are isosceles. 1d. There exists an equilateral triangle that is not a right triangle. Original statements: 1a. True 1b. True 1c. False 1d. True Negations 1a. False 1b. False 1c. True 1d. False