Question

What is the diameter of the circle

Answer 1

Explanation:

Equation of circle:
`(x-a)^2+(y-b)^2=r^2` where (a,b) is center and r is radius.

This is a circle with center
`((5)/(2) ,4)` and radius
`√(60)`.

Diameter
`=2 * radius=2√(60) =4√(15)`