The radius of the circle whose equation is (x + 4) ² + (y - 2) ² = 36 is

Question

Mathematics

Kadin Rowe

11 May, 10:35

The radius of the circle whose equation is (x + 4) ² + (y - 2) ² = 36 is

+3

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Mckinley Reed · Answer 1

Answer: 6

The equation given to you is in the form (x-h) ^2 + (y-k) ^2 = r^2

The right hand side 36 is in the place of r^2, so r^2 = 36 leading to r = 6 after you apply the square root to both sides.