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.​