Answer: Diameter is the longest line that you can draw in a circle passing through the centre of the circle. Radius is the line joining the centre of the circle to any point on the circumference.
Step-by-step explanation: Diameter is the ratio of the circumference of the circle to the irrational constant 'pi' (3.1415...). Radius is the half of the diameter.
Answer:
diamiter it the distance bwtween end point of the circle through the midpoint and to another endpoint the radius is from the midpoint to one end point
