Question

and
find by construction the centre of a circle
using only
60 - 30 set square
pencil.
​

Answer 1

Step-by-step explanation:

1. Draw line using 60-30 set square, on 60 degree side.Let this line cut the circle at A and B.

2. Draw the line BC, using 60-30 set square, on 30 degree side. Let C be the point of intersection of the circle.

3. Join AC

4. Let 'O' be the mid point of AC

Then 'O' is the centre.