CBSE Class 4 Maths Shapes Spaces Worksheet

Fill in the blanks

1. A polygon is named according to number of __________it has.

2. Closed shapes formed only with straight lines are called _______________

3. The length of the circle is called its ______________

4. ______________ is twice the radius of the circle.

5. The instrument used to draw a circle is called _____________________

6. The longest chord of the circle is _____________

7. The diameter passes through the ______________of the circle.

8. A polygon with three line segments is called a ___________________-

9. Closed shapes are also called _______________________ .

10. A circle is named by its _________.

11. A polygon with 4 sides is called a _____________________

12. Shapes that fit in such a way that there are no gaps and they do not overlap are called ______________

13. When one half of the figure is exactly the same as the other half of the figure it is called ______________

14. The radius of a circle of diameter 12 cm is ______________________

15. A ________________ is a special rectangle in which all 4 sides are equal.

Write true or false

1. A triangle is a polygon. ( )

2. All rectangles are quadrilaterals. ( )

3. The radius of a circle is double the length of diameter. ( )

4. All the radii of a particular circle are of equal length. ( )

5. All closed curves form polygons . ( )

6. The chord and radius of a circle meet at the centre of the circle. ( )

7. A circle is a polygon. ( )

Solve

1. The diameter of a wheel is 86m. Find its radius?

2. The radius of a circle is 16cm, then what will be its diameter?

3. Read the message and decode

A B C D E F……………………

2 4 6 8 10 12………………..

Then write the code for S C H O O L ------------------------------

4. Draw all the possible lines of symmetry.