Chapter-4 ➤ Basic Geometrical Ideas

1. How many vertices are there in a triangle?

1

2

3

4

2. How many pairs of adjacent sides are there in a quadrilateral?

1

2

3

4

3. How many pairs of opposite sides are there in a quadrilateral?

1

2

3

4

4. How many pairs of adjacent angles are there in a quadrilateral?

1

2

3

4

5. How many pairs of opposite angles are there in a quadrilateral?

1

2

3

4

6. How many vertices are there in a quadrilat-eral?

1

2

3

4

7. How many angles are there in a quadrilateral?

1

2

3

4

8. How many lines can pass through one given point?

1

2

4

Countless

9. How many sides are there in a quadrilateral?

1

2

3

4

10. Which of the following statements is false?

Two diameters of a circle will necessarily intersect.

The centre of a circle is always in its interior.

Every diameter of a circle is also a chord.

Every chord of a circle is also a diameter.