Step by step how do you answer this 10 / 8 = n / 10

The answer is 20

Step-by-step explanation:

10/8 =20/10

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.