Question

Find the radius of a circle if the diameter is $42cm$

Answer 1

Given that

Diameter =$42cm$

As we know that, $\mathrm{Radius}=\frac{\mathrm{Diameter}}{2}$

So, $\mathrm{Radius}=\frac{42}{2}$

$\mathrm{Radius}=21\mathrm{cm}$

Hence the Radius of the circle is $21\mathrm{cm}$.