Diagonal of a polygon

Q. A line segment joining any two adjacent sides of a polygon is called a diagonal.

1. True
2. False

Q. Which of the following polygon has NO diagonals in it?

1. 
2. 
3. 
4. 

Q. State whether the statement is true or false.

• Diagonals of polygon always lie inside the polygon.

1. True
2. False

Q. The number of different diagonals in a hexagon are

1. $4$
2. $5$
3. $6$
4. $9$
5. $7$

Q. How many diagonals are present in the given polygon?

1. $4$
2. $3$
3. $1$
4. $2$

Q. How many diagonals does a regular hexagon have?
[2 marks]

Q. Number of diagonals in the polygon can be

1. Greater than the number of vertices
2. Smaller than the number of vertices
3. Equal to the number of vertices in the polygon.
4. None

Q. Which of the following statement/s is/are correct?

1. Diagonals are those line segments of any polygon which joins two non adjacent vertices of that polygon.
2. Edges are defined as the line segments which joins the adjacent vertices of the polygon.
3. Diagonal always have the length greater than the length of side of the polygon.

1. $1$ and $2$ Only
2. $2$ and $3$ Only
3. $1$ and $3$ Only
4. $1$, $2$ and $3$