A = πr², whereby r is the radius. Us are provided A = 58, so plug that in to find r...

You are watching: If the area of a circle is 58 square feet, find the circumference.

58 = πr² deal with for r...

58/π = r² (divide both sides by π)

√(58/π) = r (take the square root of both sides)

now simplify...

(√58)/(√π) = r

<(√58)(√π)>/<(√π)(√π)> = r

<√(58π)>/π = r

The formula for circumference is C = 2πr, where r is the radiusso us have

C = 2π(<√(58π)>/π) currently simplify...

C = 2√(58π) (the 2 pi"s release out)

C = 26.9972124 (crunch in your calculator)

The price is A. 26.99

The approximate radius that the one in feet is 14.5

Solution:

Given, a tile artist is placing tiles in a circular mosaic pattern and the area that the one is 658 square feet,

We have to uncover what is the almost right radius that the circle in feet?

The area of a one is found with the formula

where "y" to represent 3.14 and also r is radius. Therefore now, follow to offered information,

Step-by-step explanation:

658=pi*r^2 Given

658=3.14*r^2 Substitution

209.55=r^2 division property that equality

√209.55=√r^2 square root property of equality

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