mariluevano33 mariluevano33
  • 24-08-2019
  • Mathematics
contestada

Suppose the area of a circle is 254.4696 square inches. Whats the radius of the circle (use pie=3.1416. A. 18 in. B. 81 in. C. 9 in. D. 9in 2

Respuesta :

Hulkk Hulkk
  • 24-08-2019

Answer:

The radius of the circle is 9 in

Choice C is correct

Step-by-step explanation:

254.4696 square inches. Whats the radius of the circle (use pie=3.1416.

The area of a circle with radius r is given as;

[tex]A=\pi *r^{2}[/tex]

We substitute the given area and the value of pi given to solve for the radius;

[tex]254.4696=3.1416*r^{2}\\\\r^{2}=\frac{254.4696}{3.1416}\\\\r^{2}=81\\\\r=\sqrt{81}=9\\\\r=9[/tex]

Answer Link
sallyhappy5262 sallyhappy5262
  • 19-01-2022

Answer:

Step-by-step explanation:

9 cause you have to times

Answer Link

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