Fill in the blanks
(i) Two circles having the same centre and different radii are called ________ circles.
(ii) Diameter is the _________ chord of a circle.
(iii) A continuous piece of a circle is called the ________ of the circle.
(iv) An arc of a circle is called a __________ if the ends of the arc are the ends of a diameter.
(v) A segment of a circle is the region between an arc and a ________ of the circle.
(vi) A line segment joining the centre to any point on the circle is called its ________.
(i) Two circles having the same centre and different radii are called concentric cricles.
(ii) Diameter is the longest chord of a circle.
(iii) A continuous piece of a circle is called the arc of the circle.
(iv) An arc of a circle is called a semicircle if the ends of the arc are the ends of a diameter.
(v) A segment of a circle is the region between an arc and a chord of the circle.
(vi) A line segment joining the centre to any point on the circle is called its radius.