The circumference of a circle is 147 feet.
Find the area of the circle, in terms of pi.

Step-by-step explanation:

C = 147 ft.  The relevant formula is C = 2(pi)r, and here C = 147 ft = 2(pi)r.

The relevant area formula is A = (pi)r^2.  If we solve the above formula for r we get

         147 ft

  r =    and so  r^2 (needed to calculate the area) is

           2pi

          147^2 ft^2

r^2 =

                4(pi)

                                      147^2 ft^2

and so the area is  A = = 7203/pi

                                           3 pi

                                                                    C                           C^2

Alternative method:  C = 2pi*r so r = and r^2 =

                                                                 2 pi                           4pi^2

                                                                               C^2             C^2

then the area of the circle is A = pi(r^2) or pi* =

                                                                             4pi^2               4pi

                                                                        (147 ft)^2

and in this case the area of the circle is A =

                                                                              4 pi

or A = 1720 ft^2

25/6 hope it : )

step-by-step explanation:

answer:

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explanation:

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