Respuesta :
Work is provided in the image attached.
Although you did not include units, I just used centimeters.
However, if there were no units, then just put your answer.
If you do not understand my work,
please ask me in the comments below.

Answer: Area of the circle will be
50.288
Step-by-step explanation:
Area of a circle is calculated by A=πr^2
Where r is the radius, given as 4
π is a mathematical constant of 3.143
Slot the values into the formula:
A = 3.143 x 4^2
A = 3.143 x 16
A = 50.288