30-01-2017
Mathematics

contestada

Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?

Respuesta :

30-01-2017

The equation of circle is [tex] (x-a)^{2} +(y-b)^2=r^2[/tex] where (a,b) is the center of circle and r is radius of circle. In your question, (a,b)=(0,0) and r=4 so, the equation is [tex]x^2+y^2=4^2[/tex]

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