By what symbols are centre, radius and diameter of a circle represented?
Centre of a circle is represented by point, radius is represented by line segment, and diameter is also represented by line segment.
Find the equation of the circle, the end points of whose diameter are (2, -3) and (-2, 4). Find its centre and radius.
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 _______.