What is 30^2=a^2+b^2 ?

The solution to 30^2=a^2+b^2 is Circle with (a,b)=(0,0),r=30

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30^2=a^2+b^2

3 0^{2} = a^{2} + b^{2}

(a, b) = (0, 0), r = 30

Solution steps

3 0^{2} = a^{2} + b^{2}

Rewrite

3 0^{2} = a^{2} + b^{2}

in the form of the standard circle equation

(a - 0)^{2} + (b - 0)^{2} = 3 0^{2}

Therefore the circle properties are:

(a, b) = (0, 0), r = 30

x^{2} + y^{2} + 6 x - 8 y + 5 = 0

(x + π)^{2} + (y - 2 π)^{2} = 8

18 y - 15 = - x^{2} - y^{2}

x^{2} + y^{2} + 2 x - 10 y - 2 = 0

(x - 1)^{2} + \frac{( y - 3 ) ^{2}}{1} = 4

What is 30^2=a^2+b^2 ?
The solution to 30^2=a^2+b^2 is Circle with (a,b)=(0,0),r=30