The diameter of a circle whose equation will be 20 units. Then the correct option is B.
A circle can be characterized by its center's location and its radius's length.
Let the center of the considered circle be at the (h,k) coordinate.
Let the radius of the circle be 'r' units.
Then, the equation of that circle would be:
(x – h)² + (y – k)² = r²
The equation of the circle is given below.
x² + (y – 2)² = 100
x² + (y – 2)² = 10²
Then the radius of the circle is 10 units.
Then the diameter of the circle will be
d = 2 x 10
d = 20 units
Then the correct option is B.
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