Respuesta :

Answer:

21.98

Step-by-step explanation:

7*3.16=21.98

NatKS

Answer:

49π or 153.93804

Step-by-step explanation:

Area of a Circle=π[tex]r^{2}[/tex]

Area=π([tex]7^{2}[/tex])

Area=49π or 153.93804