[tex]\qquad\qquad\huge\underline{{ \rm Aηѕωєя☂ }}[/tex]
Area of a circle in terms of Radius :
[tex]\qquad \sf \dashrightarrow \: \pi {r}^{2} [/tex]
Now, since radius (r) = 4 units, plug in the value of r in given formula to calculate area of required circle ~
[tex]\qquad \sf \dashrightarrow \: 3.14 \times 4 \times 4[/tex]
[tex]\qquad \sf \dashrightarrow \: 50.24 \: \: unit {}^{2} [/tex]
