What does r in the following figure represent?
Radius of the circle
Chord of the circle
Secant of the circle
Diameter of the circle
Radius is defined as a line segment joining the centre of the circle to any point on the circle. So, r is the radius of the circle.
What is the diameter, radius, and chord in a circle? Explain. Also, state the properties of chords of a circle. [4 MARKS]
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 _______.