**3.**All the rational and irrational numbers make up the collection of ______.**5.**There are _____ many rational numbers between any two given rational numbers.**7.**A piece of a circle between two points is called an ______.**8.**A number is called a _____, if it can be written in the form p/q.**9.**A circle divides the plane on which it lies into ____ parts.**11.**The longest chord in a circle is known as the ______ of the circle.**12.**The collection of all the points in a plane, which are at a fixed distance from a fixed point in the plane, is called a _____.

**1.**The ______ of an irrational number is non-terminating and non-recurring.**2.**The fixed point in a circle is called the _____ of the circle.**4.**Coordinate geometry is also known as the_____.**6.**A number (say p/q) is rational number if p and q are _____ and q ≠ 0.**10.**The line segment joining the centre and any point on the circle is called a _____ of the circle.