Hello BrotherEye is here to help!
Answer: D. 54.34
Step-by-step explanation:
Explanation:
C
circle
=
2
π
r
56.52
=
2
π
r
28.26
=
π
r
r
=
28.26
π
≈
8.995
A
circle
=
π
r
2
A
circle
=
π
(
8.995
)
2
≈
254.19
We can combine the formulas:
C
=
2
π
r
C
2
π
=
r
A
=
π
(
C
2
π
)
2
A
=
π
C
2
4
π
2
Now we have a formula for the area of a circle of any given circumference:
A
=
C
2
4
π
C
=
56.52
A
=
56.52
2
4
π
≈
254.19
~
Your friend BrotherEye
