Respuesta :

Answer:

To find the area, multiply 3.5 by itself. You will get 12.25. Then, multiply that by pi and you have the area. 38.48

To find the circumference, multiply 3.5 by 2. You will get 7. Then, multiply it by pi an you will have the circumference.  21.99

Formulas :

A=πr2

C=2πr