What is the circumference of this circle? a 56.52
b 28.26
c 1,017.36
d 254.34

where is the circle? we need to see the circle.

Hello BrotherEye is here to help!

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

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step-by-step explanation:

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