purple with red lines through it
Not =
Rhumb line.
A circle has infinite lines of symmetry, any line going through the center is a line for symmetry.
A dollar sign has TWO lines going through it. The one on your keyboard IS NOT the dollar sign, it is another symbol called an "OFFSET" .
purple lines.
purple lines.
Yes
That's a negative result...
infinite across any diametric line. ie going through the circle passing through the center
The diameter of a circle is its line of symmetry and the lines can be infinite
The London Eye has an infinite amount of lines as it is a circle. There is no specific number.