1.How many semi-circles are there in a circle? 2.How many quadrants form a circle?

3.Which line touches a point on the circumference of the circle?

4.The line touching the inside circumference of the circle is called the .

5.The part of the circle enclosed by two radii inside the circle is known as the .

6.The distance around the circle is the .

7.Which is the longest chord in the circle?

8.The is same as the perimeter of a rectangle.