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Leviafan [203]
1 year ago
15

A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area f

ormed by the watering pattern is452.16 square​ feet? Use 3.14 for .
Mathematics
2 answers:
Arisa [49]1 year ago
7 0

Answer:

12 feet

Step-by-step explanation:

It asks how many feet away from the sprinkler can water be spread. Therefore, in this scenario, we require the radius.

Area of a circle :

<u><em>Area (circle) = πr²</em></u>

<u><em /></u>

Solving :

⇒ 452.16 = 3.14 × r²

⇒ r² = 452.16 ÷ 3.14

⇒ r = √144

⇒ r = 12 feet

sergey [27]1 year ago
6 0

We need radius

Let that be r

  • πr²=452.16
  • 3.14r²=452.16
  • r²=144
  • r=√144
  • r=12ft
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Step-by-step explanation:

The two rules in play here are ...

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The first of these rules answers the first two questions:

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We can subtract the measure of angle 1 from both sides of the previous equation to find the sum of the remaining two angles.

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The second rule answers the next question:

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As before, subtracting the value of angle 1 from both sides of the equation gives ...

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<em>Additional comment</em>

Of course, the subtraction property of equality comes into play, also. For some unknown, X, you have (in both cases) ...

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