In the given figure, the number of line segments is

1. 5

2. 10

3. 12

4. 15

The number of diagonals of a triangle is

1. 0

2. 1

3. 2

4. 3

In context of the given figure, which of the following statement is correct?

1. B is not a point on segment $\overline{AC}$

2. B is the initial point of the ray $\overrightarrow{AD}$

3. D is a point on the ray $\overrightarrow{CA}$

4. C is a point on the ray $\overrightarrow{BD}$

The figure formed by two rays with same initial point is known as

1. a line

2. a line segment

3. a ray

4. an angle