A chord of a circle which is twice the radius of the circle is the diameter of the circle.
Fill in the blanks with suitable words:
1. Diameter of a circle is _______ its radius.
2. Radius of a circle is ______ its diameter.
3. The diameters of a circle intersect at the ______.
4. The chord passing through the centre of a circle is _________.
5. The biggest chord of a circle is ______.
6. The lengths of the radii of a circle are _______.
Write True or False: Give reasons for your answers.
(i) Line segment joining the centre to any point on the circle is a radius of the circle.
(ii) A circle has only finite number of equal chords.
(iii) If a circle is divided into three equal arcs, each is a major arc.
(iv) A chord of a circle, which is twice as long as its radius, is a diameter of the circle.
(v) Sector is the region between the chord and its corresponding arc.
(vi) A circle is a plane figure.