Respuesta :

Answer:

[tex]\pi \times r^2[/tex]

r is radius,

r=d/2, d is diameter

π=3.14 or 22/7

Answer:

[tex]A=\pi r^2[/tex]

Step-by-step explanation:

We use this formula to find the area of a circle. Just find the radius(r) and substitute and you get your answer.