Question

what is the area of following circle​

Answer 1

$\text\color{aqua}{Pre-Knowledge}$

$\color{fuchsia}{\hookrightarrow Area of Circle = \pi r² }$

$\color{fuchsia}{\hookrightarrow Diameter = 2r}$

$\text\color{aqua}{Given }$

$\color{fuchsia}{\hookrightarrow r = \frac{d}{2} }$

$\color{fuchsia}{\hookrightarrow r = \frac{8}{2} }$

$\color{fuchsia}{\hookrightarrow r = 4 units }$

$\text\color{aqua}{Solution}$

$\color{fuchsia}{\hookrightarrow Area of Circle = \pi × 4 × 4}$

$\color{maroon}{\hookrightarrow Area of Circle = 8 \pi units}$

$\color{fuchsia}{\hookrightarrow Area of Circle = 8 × 3.14 }$

$\color{maroon}{\hookrightarrow Area of Circle = 25.12 units}$

$\text\color{orange}\fbox{Useful ?? = Brainlist}$

Answer 2

$\huge{\colorbox{green}{Answer}}$ ⠀

In given $\huge{\huge{\bigcirc}}$ diameter d=8

⠀$\rightsquigarrow{2r=8}$

$\hookrightarrow{r=\dfrac{8}{2}=4}$

so,

$\boxed{\underline{\underbrace{\mathcal\color{gold}{area of circle =\pi r^2}}}}$

but $\pi{=3.14 }$ ⠀

So

area =$\tt{3.14×4^2 }$ ⠀

$\tt{3.14×16 }$ ⠀

$\tt{ 50.24 }$ ⠀