a. A line segment connects the two points on the diameter of a circle;(-4, 3) and (1, 5). Find the length of the line segment. b. What is the midpoint of the line segment connecting the two pointsabove? c. What is the equation of the circle (in either general or standardform) with a center at the midpoint identified in part (b) and adiameter equal to the length of the line segment in part (a).