Need help with the coding part of this problem. It is c++ and i need it done asap

 

 

The following formula gives the distance between two points, (x1, y1) and (x2, y2) in the
Cartesian plane: (1‘2 — 1171)2 + (3/2 — 902 Given the center and a point on the circle, you can use this formula to find the radius of the circle.
Write a program that prompts the user to enter the center and a point on the circle. The program
should then output the circle’s radius, diameter, circumference, and area. Your program must
have at least the following functions: a. distance: This function takes as its parameters four numbers that represent two points in the
plane and returns the distance between them. b. radius: This function takes as its parameters four numbers that represent the center and a
point on the circle, calls the function distance to find the radius of the circle, and returns the
circle’s radius. c. circumference: This function takes as its parameter a number that represents the radius of the
circle and returns the circles circumference. (If r is the radius, the circumference is 2 nr.) d. area: This function takes as its parameter a number that represents the radius of the circle and
returns the circle’s area. (If r is the radius, the area is 11r2.) Assume that n = 3.1416.

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