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If that means = 36 then then the radius of the circle is 6 units

Q: What is the radius for a circle whose equation is x2 plus y2 36?

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Without an equality sign it can't be considered to be an equation but in general the equation of a circle whose centre is at (a, b) and radius is r is:- (x-a)^2+(y-b)^2 = r^2

I think you have missed out an equals sign. If you mean x2 + y2 = 16, then the radius is 4.

Radius = 1111

Type your answer here. Find the radius for a circle with the equation x2 plus y2 equals 9? ..

Equation of a circle centre the origin is: x2 + y2 = radius2 ⇒ radius = √9 = 3.

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Without an equality sign it can't be considered to be an equation but in general the equation of a circle whose centre is at (a, b) and radius is r is:- (x-a)^2+(y-b)^2 = r^2

I think you have missed out an equals sign. If you mean x2 + y2 = 16, then the radius is 4.

Radius = 1111

Type your answer here. Find the radius for a circle with the equation x2 plus y2 equals 9? ..

Equation of a circle centre the origin is: x2 + y2 = radius2 ⇒ radius = √9 = 3.

If that equals 16 then the radius is 4

x^2+y^2=36

4

A circle centre (0, 0) and radius r has equation x² + y² = r² The circle x² + y² = 36 has: r² = 36 → radius = 6

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