Diameter
The diameter refers to a line that passes through the center of a circle and has both ends on the circle, usually represented by the letter d. It’s the longest line inside the circle and its length is exactly twice the radius.
The diameter refers to a line that passes through the center of a circle and has both ends on the circle, usually represented by the letter d. It’s the longest line inside the circle and its length is exactly twice the radius.
Everything is a system, and every system contains systerms.