Respuesta :

Apl13

Answer:

I just know its formula 2 pie r square

Step-by-step explanation:

lesiaj

Answer: A = 12.56 cm

Step-by-step explanation:

A = 3.14 x r^2

A = 3.14 x 2^2

A = 3.14 x 4

A = 12.56 cm