Circles

Page
2

Circumference = 3 x 10 cm

Circumference = 30 cm

A

B

Slide 14

Evaluation

1. what is the relation between radius and diameter of the circle?

.

O

A

B

2. What is the relation between circumference and diameter of the circle?

3. In this figure

Sol .Radius=diameter/2

Sol. Circumference=3Xdiameter(approx)

radius

diameter

centre

AB is .

O is _.

OA or OB is .