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