In the adjoining figure, the area of triangle ABC is

1. 15 sq. units

2. 10 sq. units

3. 7.5 sq. units

4. 2.5 sq. units

The points A(9, 0), B(9, 6), C(-9, 6) and D(-9, 0) are the vertices of a

1. rectangle

2. square

3. rhombus

4. trapezium

Consider the following two statements:

Statement 1: The point (x², y) lies on the y - axis. Then the value of x is zero.

Statement 2: The abscissa of every point on y-axis is zero.

Which of the following is valid?

1. Both the statements are true.

2. Both the statements are false.

3. Statement 1 is true, and Statement 2 is false.

4. Statement 1 is false, and Statement 2 is true.