To calculate the area of a circle, which formula should be used?

A. A= π⋅r3

B. A= π⋅d

C. A= 2π⋅r

D. A= π⋅r2

Respuesta :

Answer:

D

Step-by-step explanation:

Area equals pie times radius squared, which makes sense in a weird way since double radius is diameter, so radius times radius is area, well that times pi

i hope this helps u :)

Answer:

Answer will be D

Step-by-step explanation: