4 ft
diameter =

Circumference
=
Area =

diameter (d)= 2r=2*4=8ft

Step-by-step explanation:

circumference =2πr

=2 *4*22/7

=25.14 ft

also

Area=πr^2

=4^2 *22/7

50 .28 sq ft

Diameter: 8ft

circumference: 25.12

area: 50.24 square feet

Step-by-step explanation:

radius is 4ft

Diameter is 8ft

circumference 2×pi×radius

2×3.14×4

25.12

area (pi)radius^2

3.14×(4)^2

3.14×(16)

50.24

50 square feet

-1/2 +2

step-by-step explanation:

she was supposed to add the hours(38.5) and multiply the amount of money she earned(7.50) resulting in $288.75 .

correct me if i'm wrong and if it is i'm truly sorry.