cocampo23
cocampo23 cocampo23
  • 20-04-2021
  • Mathematics
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A circular plate has circumference 32.7 inches. What is the area of this​ plate? Use 3.14 for pie.

Respuesta :

hellothere723 hellothere723
  • 20-04-2021

Answer: 85.13

Step-by-step explanation:

We know:

Circumference = 2*3.14r

Area of a circle = 3.14r²

We need to find the radius given the circumference before solving for the area:

32.7 = 2*3.14r

32.7/6.28 = 6.28r/6.28

r = 5.20700637

Now that we know the radius, we can plug it in to find the area:

A = 3.14(5.20700637)²

A = 3.14(27.1129153)

A = 85.134554

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