Which of the following statements is false?

1. A triangle has three sides

2. A triangle has three vertices

3. A triangle has three angles

4. A triangle has two diagonals

By joining any two points of a circle, we obtain its

1. radius

2. chord

3. diameter

4. circumference

Statement I: A dot made on a sheet of paper with a pencil is the geometrical representation of a point.

Statement II: Conceptually, a point has no dimensions. In other words, it has no length, width or thickness.

1. Statement I is true but statement II is false.

2. Statement I is false but statement II is true.

3. Both Statement I and statement II are true.

4. Both Statement I and statement II are false.

Statement I: The front surface of the green board in the classroom is a part of a plane.

Statement II: Conceptually, a plane is a flat surface that extends infinitely in all directions, with no thickness.

1. Statement I is true but statement II is false.

2. Statement I is false but statement II is true.

3. Both Statement I and statement II are true.

4. Both Statement I and statement II are false.