17
Not really, but if you have many lines it can look like a curved shape.
yes
1 straight line. An infinite number of curved lines.
121
4
ther are two lines of symetry on a football pitch
there are 5 straight lines
In soccer there are 11 people on the pitch.
A square has four straight lines.
6
None, circles aren't straight lines.
There are no straight lines in the letter "W" because it is made up of two diagonal lines intersecting at a point.
There can only be 11 players on the pitch.
Yes. You can draw infinitely many straight lines from each point.
2, straight and curvy...
3
It's kind of obvious seeing as 'oct' means eight... Anyway, there are eight straight lines in an octagon.