wassup1313 wassup1313
  • 27-02-2019
  • Mathematics
contestada

What is the radius for a circle whose equations is x^2+y^2=64

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 06-03-2019

Answer:

8

Step-by-step explanation:

To write the equation of a circle, use the formula [tex](x-h)^2+(y-k)^2 = r^2[/tex] where the center of the circle is (h, k).

This means the equation is [tex]x^2 + y^2 = 64[/tex] has [tex]r^2 = 64[/tex]. This means the radius is √64 = 8.

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