zzbcolaboy zzbcolaboy
  • 04-04-2018
  • Mathematics
contestada

If the area of a circle is 58 square feet, find the circumference.

A. 4.25 ft.
B. 26.99 ft.
C. 42.5 ft.
D. 22.35 ft.

Respuesta :

Vescoci
Vescoci Vescoci
  • 04-04-2018
Set up the equation first:

Area =
[tex]\pi {r}^{2} [/tex]
Circumference =
[tex]2\pi \: r[/tex]
Solve for r using the area equation:
[tex]58 \div \pi = {r}^{2} [/tex]
r = 4.297

Now the circumference
[tex]2\pi(4.297)[/tex]
C = 26.997

Therefore your answer is B
Answer Link
Shardthedragon Shardthedragon
  • 04-04-2018
the answer is almost certainly b.

Answer Link

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