Circle.
A circle is a line, drawn around a point in such a way that the line is always the same distance from the point. This distance is known as the 'radius' of that circle.
The focal distance of a convex lens is always positive. It is the distance between the lens and the focal point when light rays are parallel and converge after passing through the lens.
The locus of a moving point so that it is equidistant from another fixed point (i.e. the distance between them is always constant) is a circle.
Displacement always indicates a change in position from an initial point to a final point in a specific direction. It is a vector quantity that describes both distance and direction traveled from the starting point.
The distance is always measured from the point or tip of the plate.
point-to-point
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math and arithmetic
The distance from the center of a circle to any point on the circle is called the radius of the circle. The radius is a line segment that starts at the center of the circle and ends at any point on the circle. It is always a straight line and is always perpendicular to the circumference of the circle. The radius is half the diameter of the circle, which is the distance across the circle through the center. The diameter of a circle is always twice the length of the radius. My recommendation ʜᴛᴛᴘꜱ://ᴡᴡᴡ.ᴅɪɢɪꜱᴛᴏʀᴇ24.ᴄᴏᴍ/ʀᴇᴅɪʀ/372576/ꜱᴀɪᴋɪʀᴀɴ21ᴍ/
True. Distance is the total length of the path traveled, while displacement is the direct line from the starting point to the ending point. Therefore, the distance can never be greater than the magnitude of the displacement.
You are a moron but I'll answer, the diameter is the enitire distance across the circle across the middle point and the radius is the distance from the middle point ot the edge and therefore always half in a perfect circle