Question

the diameter of a circular wheel is 4.2 M what is the circumference​

Answer 1

Step-by-step explanation:

circumference =pi×d

c=4.2pi m

Answer 2

$\color{red}\huge{\underline{\underline{GIVEN\dag}}}$

• $Diameter(d)=4.2 m.$

$\color{red}\huge{\underline{\underline{SOLUTION\dag}}}$

We know that;

$circumference \: of \: circle = 2\pi r$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: (or)$

${\boxed{ \color{blue}circumference \: of \: circle = \pi d }}$

$\implies \: \frac{22}{7} \times 4.2m$

$\therefore \boxed{ \color{orange}circumference = 13.2 m}$

HOPE THAT HELPS!!!