Question

Find the diameter of a circle whose radius is $2.3cm$.

Answer 1

Given,

Radius of circle $=$ $5.6cm$

Diameter of a circle is twice of the radius of the circle.

$$\begin{gathered} D=2R \\ D=2\times 2.3 \\ D=4.6cm \end{gathered}$$

Hence, the diameter of the circle is $4.6cm$.