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The figure below shows a circular lawn.Its diameter is 72 ft.72 ftftft?2(a) Use the calculator to find the area and circumference of the lawn.Use 3.14 for T in your calculations, and do not round your answers,Make sure to include the correct units.?AreaCircumference: 0(b) The lawn will be surrounded by tape.Which measure would be used in finding the amount of tape needed?Circumference AreaCheck2021 McGraw. Educatio ARON

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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