circuference and area of a circle PLEASE HELP

Answer:
Area=12.56
Circumference= 12.56
Step-by-step explanation:
Area formula is [tex]\pi r^{2}[/tex]
Circumference is [tex]2\pi r[/tex]
Answer:
radius=diameter/2
=4/2=2
circumference of a circle= 2πr
=2*3.14*2
=12.56ft
area of a circle=πr2
=3.14*2*2
=12.56ft