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Sagot :
We are given a circle with a diameter of 72 ft. We are asked to determine its area. To do that we will use the following formula:
[tex]A=\frac{\pi D^2}{4}[/tex]Where "D" is the diameter. Replacing the values:
[tex]A=\frac{(3.14)(72ft)^2}{4}[/tex]Solving the operations:
[tex]A=4069.44ft^2[/tex]Now we are asked to determine the circumference of the circle, to do that we use the following formula:
[tex]C=\pi D[/tex]Replacing the values:
[tex]C=(3.14)(72ft)[/tex]Solving the operations:
[tex]C=226.08ft[/tex]Since the circumference is the measure of the longitude of the circle, if it were to be surrounded by tape this is the measure we would have to use.
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