Question

if the and circumference of a circle is equal then radius _____. a) 2 units. b) 3units.c)halfunit.d)4units​

Answer 1

Answer:

Units is the right answer

Answer 2

$\: \: \boxed{\boxed{\sf{\mapsto \: Firstly \: know \: the \: formulae}}}$

$\mathsf\red{Circumference \: of \: circle \: =}\mathsf{ \: 2πr}$

$\mathsf\red{Area \: of \: circle \: =}\mathsf{ \: π{r}^{2}}$

$\mathsf{Given}$

$\mathsf\red{Circumference \: of \: circle \: = \: Area \: of \: circle}$

$\mathsf{So}$

$\mathsf{2πr \: = \: π{r}^{2}}$

$\mathsf{r \: = \: 2 \: units}$

$\mathsf\red{\therefore \: radius \: is \: 2 \: Units}$

$\mathsf{}$

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