Question

4. The diameter of a circle is a line which joins two points on the
circle and also passes through the centre of the circle. (In the
adjoining figure (Fig 11.12)AB is a diameter of the circle; C is
its centre.) Express the diameter of the circle (d) in terms of its
radius (r).

Answer 1

Answer:

Diameter = 2× radius

so Diameter of the circle will be

D= 2× r

where's the figure??