powersoup927 powersoup927
  • 01-02-2021
  • Mathematics
contestada

The circumference of a circle is 14 pi ft. Find its diameter, in feet

Respuesta :

rorycampbell0721
rorycampbell0721 rorycampbell0721
  • 01-02-2021

Answer:

14

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

Answer Link
suku54
suku54 suku54
  • 01-02-2021

Answer:

The formula for area of a circle is:

A

=

π

r

2

, where

A

=

area,

π

=

22

7

, and

r

=

radius.

Since we know that the radius is half the diameter of a circle, we know that the radius of the given circle is

14

2

=

7

f

t

.

Hence:

A

=

π

r

2

A

=

22

7

×

7

2

A

=

22

7

×

7

×

7

A

=

22

7

×

7

×

7

A

=

22

×

7

A

=

154

Answer Link

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