RS Agrawal Class 6 Maths.

1. Today’s Lesson: CIRCLES
Learning Objective:
CIRCLE:
Radius, Centre, Diameter , Chord , Arc ,
Circumference, Semi Circle , Interior and exterior of
a Circle.
Compass: Constructing a circle.
Instructions: EXERCISE 18
(a) Please read the notes carefully and copy in your
notebook.
(b) We Do: We will practice FOUR questions together.
(c) You Do: You will work through these problems
independently (Home work)

2. Circles
Circle:
A simple closed and round shape, set of all points in a flat surface lie at a given point from a
center point is called as Circle.
The fixed point is called the Centre of the circle and the constant distance is known as the
radius of the circle.
Full moon is the example of a circle.
Centre:

3. Radius , Chord
Radius:
Chord

4. Diameter , Arc
Diameter
Arc :

5. Circumference , Semi
Circle
Circumference
Semi Circle

6. Interior and Exterior of the Circle
Interior and exterior of the circle

7. CONSTRUCTION
Compass
Note that a compass is also called
a pair of compasses.

8. CONSTRUCTION
Constructing a circle:

9. WE DO Exercise - 18
(Page # 207) R.S AGRAWAL
Q . No 1 (Page # 207)

10. WE DO Exercise - 18
(Page # 207) R.S AGRAWAL
Q . No 2 (Page # 207)

11. WE DO Exercise - 18
(Page # 207) R.S AGRAWAL
Q . No 3 (Page # 207)

12. WE DO Exercise - 18
(Page # 207)
Q . No 5 (Page # 207)

13. YOU DO Exercise - 18
(Page # 207
Q.no 4
Q.no 6 Page # 207
Q.no 7
You will work through these problems independently (Home work)

14. Thank you